OpenTechnical

OT-2026-000038743

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000038743) never changes.

Identity and time

Publication numberOT-2026-000038743 · never reused
Internal UUID01a0ae78-769e-7008-ab47-06a6d014671c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038743
StatusPUBLIC

Content hashes

Canonical text49cb25221fccb5abf8ada37b87bab17aac3ecaf8756b1b2413a4b7d48f9b6d2d
Markdowne8a06b423716eca8cc612679c35fd3d7732a3df81932303b352d25482856094e
PDF
Publication pagefc7ab9a6d8cb83ddd8fbc6963cd167585003a929cd114158e2ab2c7035359789
Manifest836df5e96ab33d1641119907537e9151c0f4e2c613e2563fdaa9ae8d81652aad

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
Signature89U4+LK/+fZw9dQgBVt+MlgWRWe9jz7pLzOR3cdO7XRrs4UOkNj26mYil2VkvmoTSY1nJj4EwfY2EFePGXCmCw==
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

2026-09-17T11:21:16.585441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038743
observed fc7ab9a6d8cb83ddd8fbc6963cd16758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:16.566294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038743/manifest.json
observed 836df5e96ab33d1641119907537e9151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:16.548096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038743/publication.md
observed e8a06b423716eca8cc612679c35fd3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:16.527871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038743/publication.txt
observed 49cb25221fccb5abf8ada37b87bab17a...
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.