OpenTechnical

OT-2026-000010730

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000010730) never changes.

Identity and time

Publication numberOT-2026-000010730 · never reused
Internal UUID01a0ae6c-0ee8-7a0d-bc22-53ec1fce353c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010730
StatusPUBLIC

Content hashes

Canonical text84f53e3703bd8d095bc171dd51a3d7b93aad99b29052c50a15883eef7d4e9285
Markdown538040105d5389edfd077f0f1080fb814641eb705a0e25ecb8e36d4c368d25e4
PDF
Publication pagecd41bd740fef436763768675f649367b4793f4f6ffddd56638f59edfe001acd2
Manifesta9bd4c58cdaf902011ef8e1c4145b1b4d2f11167102db6160d10e4e3ab99f2f4

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
Signature8qApoIanViqqETU5YO61Wvmye60HhvP4cuWgz9bn3VQenwD5MA3Fp+SJz+K7NKjCKSc8MTQIOC/V+zFK2QyVAw==
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

2026-09-17T12:14:57.403165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010730
observed cd41bd740fef436763768675f649367b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.384185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010730/manifest.json
observed a9bd4c58cdaf902011ef8e1c4145b1b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.364693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010730/publication.md
observed 538040105d5389edfd077f0f1080fb81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.344422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010730/publication.txt
observed 84f53e3703bd8d095bc171dd51a3d7b9...
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.