OpenTechnical

OT-2026-000060821

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, vented after 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-2026-000060821) never changes.

Identity and time

Publication numberOT-2026-000060821 · never reused
Internal UUID01a0ae8a-b7d1-711b-87a6-11508c777726 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060821
StatusPUBLIC

Content hashes

Canonical text8773d23d6d56f6e53fec52e83074d4521050e744ee18196a80292a16643cedb9
Markdownd14b5043405e54b14a5fbcca90ddf915fca899ed29aa94900829e7e8723019be
PDF
Publication page1eb0f34bf89bdfddc22258d2416d16359b49d037b06514e3c808f353c7a5120d
Manifest688a2d1885b89c730da33ccec3516bafb2c011bb443a0ee48333b5d416f6cff5

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
SignatureCglEzOQPXVIbGZt45Adk6duyZ3AIv5UYbFp9iswXQZ4b9a1rye40VBT3/7RCSh0CozC6OT2lt3YKx7Aob/iQCQ==
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

2026-09-17T10:43:34.367057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060821
observed 1eb0f34bf89bdfddc22258d2416d1635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.351405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060821/manifest.json
observed 688a2d1885b89c730da33ccec3516baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.335420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060821/publication.md
observed d14b5043405e54b14a5fbcca90ddf915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.318117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060821/publication.txt
observed 8773d23d6d56f6e53fec52e83074d452...
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.