OpenTechnical

OT-2026-000032375

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000032375) never changes.

Identity and time

Publication numberOT-2026-000032375 · never reused
Internal UUID01a0ae75-106e-7bb9-a1ad-d26ee28240ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032375
StatusPUBLIC

Content hashes

Canonical textbc57343996a3ff192222fd63e0a4076d602a624ca0d0c1e90d41bc791fca4e06
Markdown0346c77715d96c3df2504d50ef422427c527dff3587bb182806b9cb27df6bff3
PDF
Publication page94717a310edefd73c0f9a6321ed8fa9b835d9ea30f4efc29eb1b1f37edc93a8b
Manifest6b5c36ef9e2b8a1b3021785b611ccc74f07143ca2ab29457184c0eb93a33bac6

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
SignaturepGIUCIUl1JeSze/agVKkV5NmqvPABDfoOoDD/Ctht2/AaRL7A1RdeCF2cQgAANSO43idN1POkfkynevbPONSDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:33:46.808605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032375
observed 94717a310edefd73c0f9a6321ed8fa9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.789201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032375/manifest.json
observed 6b5c36ef9e2b8a1b3021785b611ccc74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.770133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032375/publication.md
observed 0346c77715d96c3df2504d50ef422427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.751770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032375/publication.txt
observed bc57343996a3ff192222fd63e0a4076d...
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.