OpenTechnical

OT-2026-000088655

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088655) never changes.

Identity and time

Publication numberOT-2026-000088655 · never reused
Internal UUID01a0ae9b-8f0f-76cc-aedd-d4c6db5d5f5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088655
StatusPUBLIC

Content hashes

Canonical texte74107a51865d4729ced0ea59f1526dade0595fc1a40560085f91590ac35fd29
Markdown85f4901af34444bf7b08a1403335311a40341bf2258e90a21466ab3e77366a7f
PDF
Publication page2b067f4b04e1dc6432cc8fd4220fcfda0b99eee008417fb473ab2322d4ed369b
Manifest718ec7dd6fa89042977e8f3ca2b5a086010b31cb82a88cbac8ac1d1fb52cd8b2

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
SignatureZCZb1BkzkfPqXqmeSzFanrv/lc10/0yF779zdgyVNI0CUuIPBxW9QTaPBv+aKlOuMSM+4qyzvN4IlGtHg8qjCg==
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

2026-09-17T09:47:52.750944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088655
observed 2b067f4b04e1dc6432cc8fd4220fcfda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.732103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088655/manifest.json
observed 718ec7dd6fa89042977e8f3ca2b5a086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.711802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088655/publication.md
observed 85f4901af34444bf7b08a1403335311a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.692228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088655/publication.txt
observed e74107a51865d4729ced0ea59f1526da...
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.