OpenTechnical

OT-2026-000030253

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030253) never changes.

Identity and time

Publication numberOT-2026-000030253 · never reused
Internal UUID01a0ae73-e500-7f3b-9309-9cb4470739a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030253
StatusPUBLIC

Content hashes

Canonical texte867e9182809c380474dc5393076ff379c8e7cfdd75d8384843f2346a7bcdc07
Markdownbfb4c6878ea6a799f7513d88161b62a4bf809a43fdba940ca6f478780666c8bc
PDF
Publication pagee859607d3637f2c0485be97b7f33bfcdbb6a5497ec36a6056ae92ca50fe2bef9
Manifest806c12387b35b1c577573807a5284875d392bd4796dcdd73b74b2e709bf83570

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
SignaturemL0V2Kq+/oNObkYFnQUBFJnGNedpP55SfhmHq72uOwrUFLzfKlkfWyGhfErqI2KSWqDVvh/QSUIRX1SQ615XDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:40:44.784661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030253
observed e859607d3637f2c0485be97b7f33bfcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.765003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030253/manifest.json
observed 806c12387b35b1c577573807a5284875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.747009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030253/publication.md
observed bfb4c6878ea6a799f7513d88161b62a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.729890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030253/publication.txt
observed e867e9182809c380474dc5393076ff37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.761728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030253
observed e859607d3637f2c0485be97b7f33bfcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.744591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030253/manifest.json
observed 806c12387b35b1c577573807a5284875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.728834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030253/publication.md
observed bfb4c6878ea6a799f7513d88161b62a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.710493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030253/publication.txt
observed e867e9182809c380474dc5393076ff37...
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.