OpenTechnical

OT-2026-000075948

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000075948) never changes.

Identity and time

Publication numberOT-2026-000075948 · never reused
Internal UUID01a0ae94-2a00-7e2e-a009-72ad78312e34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075948
StatusPUBLIC

Content hashes

Canonical text18d983c57072762b941794428d48360d05b7f94a499dc716fdcc08daea732b3a
Markdown676f3d04a07c78fcd89c6fa5d5e23014cc7133c81fa384c7fcec8481aa8f2f63
PDF
Publication page0e5dcfa33994a2957ce6240677b074f8d8bd93996d4a26bea554db976215c847
Manifest5a408d02568a49e116cd0e86d800e5b9a305dd8eb5752e809a93120d381c29f3

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
SignaturetzIud+1qHtKDafBXnr2290JYJGzqYGFbxesoiQV8eDbq3rvgu/hIe+auBitZHzE7gruxqJ0QUf1BIzYbMtV8AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:04.106929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075948
observed 0e5dcfa33994a2957ce6240677b074f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.087948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075948/manifest.json
observed 5a408d02568a49e116cd0e86d800e5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.055998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075948/publication.md
observed 676f3d04a07c78fcd89c6fa5d5e23014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.025662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075948/publication.txt
observed 18d983c57072762b941794428d48360d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.250645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075948
observed 0e5dcfa33994a2957ce6240677b074f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.232900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075948/manifest.json
observed 5a408d02568a49e116cd0e86d800e5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.193573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075948/publication.md
observed 676f3d04a07c78fcd89c6fa5d5e23014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:54.973332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075948/publication.txt
observed 18d983c57072762b941794428d48360d...
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.