OpenTechnical

OT-2026-000061917

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000061917) never changes.

Identity and time

Publication numberOT-2026-000061917 · never reused
Internal UUID01a0ae8b-b8ad-72f2-be98-d9360a9b70c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061917
StatusPUBLIC

Content hashes

Canonical text9bb68f05bced2029c894f4b2845759233a1c97af6a0272fe03ef932e261ce7b9
Markdown4d49512c90e4f5f4cc1197fc34aee8423aeb864d494eba7e4c65b3f9af7ad40a
PDF
Publication pagef1a57e6b2ff5d1ad61ad877b4b453ac346775cba13df9e39e4019d6667c60f54
Manifesta765b7ec1576ca40ecd91506cfb8f6cbe8487b516ed6de180b61c3376784e80a

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
Signatureslno24AugGvM2wXPmu39a9IO5AG3CNMHEFycWEzlPBGwIebLqoDC+kPxG1gWy5iOcnlbvaQRJ3djBWOukihvCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:47.943850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061917
observed f1a57e6b2ff5d1ad61ad877b4b453ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.924696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061917/manifest.json
observed a765b7ec1576ca40ecd91506cfb8f6cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.903794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061917/publication.md
observed 4d49512c90e4f5f4cc1197fc34aee842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.882339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061917/publication.txt
observed 9bb68f05bced2029c894f4b284575923...
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.