OpenTechnical

OT-2026-000061961

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000061961) never changes.

Identity and time

Publication numberOT-2026-000061961 · never reused
Internal UUID01a0ae8b-b8ad-79a7-95be-2648381fa899 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061961
StatusPUBLIC

Content hashes

Canonical text592e08dd267a5db597dd6d5b36b15120b3bdf4d0ebab47432e6f69a9b944e38b
Markdown7a429bc6cbf26eaa7618dd25e3a958f47d77b1afd5f6ee3b214813d32d94e302
PDF
Publication page76d79e5b30d4dc689f84151ce0f1ed81a4d39c21ceaccbb5e975d58ec346724c
Manifest7acb21ca110381cb5fb4ce5f90023e57edb9e9815e0125e74edfe25dbe51cac5

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
SignatureuluHGjfcOkj97x6n5SvIYBArG+NDqM5o4LML2sDvwTlIsrVqHyLle3dbZB8psJQfkcpVAAjKpMfE2JfeN8GcDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:52.275993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061961
observed 76d79e5b30d4dc689f84151ce0f1ed81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.249654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061961/manifest.json
observed 7acb21ca110381cb5fb4ce5f90023e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.225391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061961/publication.md
observed 7a429bc6cbf26eaa7618dd25e3a958f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.195777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061961/publication.txt
observed 592e08dd267a5db597dd6d5b36b15120...
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.