OpenTechnical

OT-2026-000076612

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000076612) never changes.

Identity and time

Publication numberOT-2026-000076612 · never reused
Internal UUID01a0ae94-b06e-7167-8fff-e2dcacb19e9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076612
StatusPUBLIC

Content hashes

Canonical text838a6c0fc006d15d9b03ad109c31e14a3db4e59c395f3df477c23d7146f7d50d
Markdowncf3a71191c11787c3a79f8580c0d35eb3f7a067ba59fe2edf64b3c05f58b1e70
PDF
Publication pagee825408c65b057b44d8b2346547988b7b45f95d6f54949414a2529cff5556883
Manifest7f06a9502e496d26b9b30b1ac45b9869123533b288a3f792ebd7bf97c1ccc90a

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
SignatureslQe/XU8DQufJ+0CWSHJ6IMIZVdb/z6la/RaAeEHdxTBvW9zfRg9CRABjfFPNqngYHoB5UPJheSm+eY8ngt4Ag==
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

2026-09-17T10:09:20.288964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076612
observed e825408c65b057b44d8b2346547988b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.269710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076612/manifest.json
observed 7f06a9502e496d26b9b30b1ac45b9869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.250773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076612/publication.md
observed cf3a71191c11787c3a79f8580c0d35eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.232198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076612/publication.txt
observed 838a6c0fc006d15d9b03ad109c31e14a...
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.