OpenTechnical

OT-2026-000100989

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100989) never changes.

Identity and time

Publication numberOT-2026-000100989 · never reused
Internal UUID01a0aea3-c377-7419-9f82-72da7cdadaa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100989
StatusPUBLIC

Content hashes

Canonical text63a16fb5c943c66a6733d22591e2e56bc3c36d6333d8825afa9fe12ec549a934
Markdown04f64b9b86b1788f6e4b53d4907f5fd42be0f52258355cd302795244e9066450
PDF
Publication pagedf9337f942fc6a4832842631fa5fd2cf80efcae079229e49a1a25e97ecc78099
Manifest2d36952ebad28a03f5c0fd447e9c08506d2bedca722e633c09305cc9f009484c

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
Signaturez6aYSoZOf5tF0KU+y1xWn0ujSmpEhtrE7EoKy+J5SKpzcbPNOFu/sWzQMgSSqb9xhcvmJpsM723qHVValeVZDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:35.233934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100989
observed df9337f942fc6a4832842631fa5fd2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.216425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100989/manifest.json
observed 2d36952ebad28a03f5c0fd447e9c0850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.197555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100989/publication.md
observed 04f64b9b86b1788f6e4b53d4907f5fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.178788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100989/publication.txt
observed 63a16fb5c943c66a6733d22591e2e56b...
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.