OpenTechnical

OT-2026-000014107

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000014107) never changes.

Identity and time

Publication numberOT-2026-000014107 · never reused
Internal UUID01a0ae6d-b278-7063-b0dc-e1639fc91713 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014107
StatusPUBLIC

Content hashes

Canonical text91247e61b2945260f04a4fc640b0d0cf7d532ccbf8bbcbaa74b2e9ad66b8cf30
Markdown57f2c685db4f0ccb5610cf8ebd0c4d96cee6c9d91751c46fa46bab7b15a5b029
PDF
Publication page6e65a2584b378975099f62fbe7e6e35257dda1c51e0ea39aec3f26c7f44e86f4
Manifestdc1b1e32b8fd6ae6635fe6ec362e905c32c2aa1e497a409e41111f9e5cab7ca8

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
Signature5LRpLWhVCqoZRWRPR0evS3hqMsPKfewICrUVlZ4kA2n/2r+yIxkvHN4rq9MWigQnyw+VSntCc3q/3CbThzq8Bg==
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

2026-09-17T12:07:10.310364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014107
observed 6e65a2584b378975099f62fbe7e6e352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.292784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014107/manifest.json
observed dc1b1e32b8fd6ae6635fe6ec362e905c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.273502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014107/publication.md
observed 57f2c685db4f0ccb5610cf8ebd0c4d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.254132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014107/publication.txt
observed 91247e61b2945260f04a4fc640b0d0cf...
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.