OpenTechnical

OT-2026-000081413

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000081413) never changes.

Identity and time

Publication numberOT-2026-000081413 · never reused
Internal UUID01a0ae96-f375-731e-a655-7d8a9c91c143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081413
StatusPUBLIC

Content hashes

Canonical textf2bbe2c7d052f1160967c13cb339881708bdd8f6ff879a09cd5b44ca84a54343
Markdowna5cb4e12a016fefcefc8bc37e02a95ee3ed7718717b548dca4529763765d68f2
PDF
Publication pagefa5f8405fee4043f7bf59916b13f7bb62f976f328e0db8ccfcd734f1b885b84d
Manifest218324936a0b9a84b7167119aba7dbfa49a09d23f6835e5c9bbb58a59a85d94b

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
Signatureq4+80ITBGcdXp/2iowBxuQPDS0oMnwonlJfInbnzzGH5TIRnhA39iuAlNqpLLtCqt7ilv1m1gXmdf40XJZ35Bg==
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

2026-09-17T10:01:33.804628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081413
observed fa5f8405fee4043f7bf59916b13f7bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.786521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081413/manifest.json
observed 218324936a0b9a84b7167119aba7dbfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.767405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081413/publication.md
observed a5cb4e12a016fefcefc8bc37e02a95ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.748956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081413/publication.txt
observed f2bbe2c7d052f1160967c13cb3398817...
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.