OpenTechnical

OT-2026-000057312

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057312) never changes.

Identity and time

Publication numberOT-2026-000057312 · never reused
Internal UUID01a0ae87-d5bc-70be-bc01-7c54c16e3b3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057312
StatusPUBLIC

Content hashes

Canonical text70a10fe133c9c1a6424956f9b9ba645e63f9a47fa5765c58995a444dc214de9a
Markdown7919260b40a4321af1cfaa9819eceb46083635a135b9c809db8358ae3508bd36
PDF
Publication page667367c1e72232e79bb3af2a63fd58e9116a53dee8088e33d733f8c79ed554de
Manifest3b64390dd0f4c79794e4fec349e22c3563e21107b452114ce539934c245a7c63

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturenKEx9Ymj/gDkngpV9adFGMAqOyjyqtILwxbGzt7RyxpuwAIq0V+IaPYNrnMtd2+mVoadyJlxktb5mmDy7kRCBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:25.240199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057312
observed 667367c1e72232e79bb3af2a63fd58e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.218228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057312/manifest.json
observed 3b64390dd0f4c79794e4fec349e22c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.199857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057312/publication.md
observed 7919260b40a4321af1cfaa9819eceb46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.181581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057312/publication.txt
observed 70a10fe133c9c1a6424956f9b9ba645e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.527728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057312
observed 667367c1e72232e79bb3af2a63fd58e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.510462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057312/manifest.json
observed 3b64390dd0f4c79794e4fec349e22c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.493143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057312/publication.md
observed 7919260b40a4321af1cfaa9819eceb46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.474534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057312/publication.txt
observed 70a10fe133c9c1a6424956f9b9ba645e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.