OpenTechnical

OT-2026-000024855

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000024855) never changes.

Identity and time

Publication numberOT-2026-000024855 · never reused
Internal UUID01a0ae71-2727-75d5-bb28-16567d7176de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024855
StatusPUBLIC

Content hashes

Canonical text91d0aa6fe254894b563de6f3dde7a1a44ca88329dd64fe96d25391746b8255ac
Markdowna56901655bd83b89a496d548122af83c99b639591f12872c9d5c58afa3ced338
PDF
Publication pageb408c6deb99ff743336fef6af0117b326a7f2998275894dec4a1754521875f3d
Manifestae05ab690176f37414b7a31ce2bafe0cc09f500d08a75535c8e3cbf6beae6f72

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
SignatureovD5YCIkE4XoKancumUx/hDctFjMIoLBqY+LZLCT71ObzcL6dKo78PqNb3FYHwdnd3ZLk3P7vh/i4jbZvvKMDg==
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

2026-09-17T11:48:10.138042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024855
observed b408c6deb99ff743336fef6af0117b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:10.120426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024855/manifest.json
observed ae05ab690176f37414b7a31ce2bafe0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:10.103862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024855/publication.md
observed a56901655bd83b89a496d548122af83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:10.087151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024855/publication.txt
observed 91d0aa6fe254894b563de6f3dde7a1a4...
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.