OpenTechnical

OT-2026-000033660

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000033660) never changes.

Identity and time

Publication numberOT-2026-000033660 · never reused
Internal UUID01a0ae75-a390-7338-b307-90f3a45ec713 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033660
StatusPUBLIC

Content hashes

Canonical texte93a56f99a6a4c85cd403a3d2e169320c57a7560cba0ce4d5747a778a3e64a9a
Markdownaa456050ab229057c27b82259a492c40aa02ea62528703b6beb196d447c27a8a
PDF
Publication page6543d62455512eee2f15507c3554c31e3e97fda433c32fbccbcd3de8b3449253
Manifest9d2f1cfdd85a21627657fcfe23e8ec52374947b4b28017c48f6a8ffdb617b7bc

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
SignatureGvriLtvtwegzy5ukRdqk8LoVZ8U7OMsE8vGvGP/4nGrwDUjY29bT2H5yL7F1syt8EnId1XE2RkkDGUrFdp1iAA==
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

2026-09-17T11:31:38.806987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033660
observed 6543d62455512eee2f15507c3554c31e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.790781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033660/manifest.json
observed 9d2f1cfdd85a21627657fcfe23e8ec52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.773453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033660/publication.md
observed aa456050ab229057c27b82259a492c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.755449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033660/publication.txt
observed e93a56f99a6a4c85cd403a3d2e169320...
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.