OpenTechnical

OT-2026-000026953

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000026953) never changes.

Identity and time

Publication numberOT-2026-000026953 · never reused
Internal UUID01a0ae72-3452-794b-86d3-6784eb844c92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026953
StatusPUBLIC

Content hashes

Canonical text8d26459af8be1e8f5d4b52300a28cda9c3117be427138a896e34a58a4a777c8b
Markdown09269f18ceb261308bdd72b53f0e6f784fa8f73fc9ddeb953fc4fd5c37132171
PDF
Publication pageb8927ba4673359927f2b555ef2afa36a84394c563746cd6b6eb4e40bf6c623e9
Manifest30886e890d8fac6a6fbc04df3d45a798d553e8b9ae8dec506ca0a0dbeecbefd8

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
SignaturepvvMx9dfOozWpuX2JWI2MvyNiUMNurUd6Wqvw/2ORsoYO/ydrUh2jfik2rkb2Rah23sIrZ444UEyPreuJum9Bg==
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

2026-09-17T11:43:34.464166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026953
observed b8927ba4673359927f2b555ef2afa36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.447902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026953/manifest.json
observed 30886e890d8fac6a6fbc04df3d45a798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.429646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026953/publication.md
observed 09269f18ceb261308bdd72b53f0e6f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.411708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026953/publication.txt
observed 8d26459af8be1e8f5d4b52300a28cda9...
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.