OpenTechnical

OT-2026-000034271

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000034271) never changes.

Identity and time

Publication numberOT-2026-000034271 · never reused
Internal UUID01a0ae75-df0d-7d8f-9e11-7ef38a3b8993 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034271
StatusPUBLIC

Content hashes

Canonical text49864a6c97aede27de67b8eb832a922fd76bb0b10da2fa0bf2583708c87120ea
Markdown7d50039a075b83b785d07f63846402de0cef5a8961d8b201f91a6c31534726ca
PDF
Publication page1bcf3367374d25b6bbd8bbe1dc292e81f40eae9e8c24c4230b81153d150f2ae5
Manifest769ff8f3abe4ff38f076188396098de91126cd3c42a25bc7896e2400025d608d

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
SignatureTAe5n9jvYijmKyfxMUXTRssIpz9lZExElEm9VdGU9IHFWRRFI89FervKZlWavmPku30PZXa6BSg4f6e7hUH5BQ==
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

2026-09-17T11:30:56.912928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034271
observed 1bcf3367374d25b6bbd8bbe1dc292e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:56.884690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034271/manifest.json
observed 769ff8f3abe4ff38f076188396098de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:56.861394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034271/publication.md
observed 7d50039a075b83b785d07f63846402de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:56.840965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034271/publication.txt
observed 49864a6c97aede27de67b8eb832a922f...
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.