OpenTechnical

OT-2026-000029813

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000029813) never changes.

Identity and time

Publication numberOT-2026-000029813 · never reused
Internal UUID01a0ae73-5e24-7673-aa9a-981490a260c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029813
StatusPUBLIC

Content hashes

Canonical text9efaac7e6f3eb9b50faf91e4cfc41e9dda3b375d4e60d1b05e93d95026b060b0
Markdowna11f27a79d02949d3e34a8f6e7b03835fc4f436dbc45043895abee6ff368dc20
PDF
Publication page8e023da4b7418611de8dced9059962fe960d6ecd2ac14485595fffb3f1fa6503
Manifest6c90b799096b1bf908c4d264be270c9da4939d31d324c529bbb59f79b512b56a

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
SignatureCjUplFW5J1HAdZhTXfMGNy4GqMtQQcaX/UbcF0I1TKQcWvxczWxoXGsoihJ3Jws7DdGvehS9TSCUbizEuTUyAw==
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

2026-09-17T11:39:35.151866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029813
observed 8e023da4b7418611de8dced9059962fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.131715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029813/manifest.json
observed 6c90b799096b1bf908c4d264be270c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.115238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029813/publication.md
observed a11f27a79d02949d3e34a8f6e7b03835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.098262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029813/publication.txt
observed 9efaac7e6f3eb9b50faf91e4cfc41e9d...
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.