OpenTechnical

OT-2026-000084369

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000084369) never changes.

Identity and time

Publication numberOT-2026-000084369 · never reused
Internal UUID01a0ae98-5b62-7e5a-8fe0-4574e6e97c92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084369
StatusPUBLIC

Content hashes

Canonical textcf010cfd0c6c53312da49600c6008e4148ef3cadd1b8805e6cde1794b2d4e8f5
Markdown6ad544502d76fe574604b2e71d47026c0e96672cb8f22e2f191cf1ec45435984
PDF
Publication page1227434fbb5e47997c9b45bfd2aacfd96b23f1745c224abc66ea5775a2a4c30e
Manifestfb2dfa40693764d8bb71919466b7cde26e3ca0f05788eab4dcb7a995ad82178d

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
SignaturenvVxxBmzd9Pb59znGIoJI8Z/QFkwbDlsc7/zPwvPOf/YQ/mDZjx+NuydsPhp/aiN5F7qFTfl7UVg2SMIeeSiCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:18.337673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084369
observed 1227434fbb5e47997c9b45bfd2aacfd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.320119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084369/manifest.json
observed fb2dfa40693764d8bb71919466b7cde2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.303041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084369/publication.md
observed 6ad544502d76fe574604b2e71d47026c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.284378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084369/publication.txt
observed cf010cfd0c6c53312da49600c6008e41...
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.