OpenTechnical

OT-2026-000037960

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000037960) never changes.

Identity and time

Publication numberOT-2026-000037960 · never reused
Internal UUID01a0ae77-f88a-7f71-aace-a3eb22956677 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037960
StatusPUBLIC

Content hashes

Canonical texte8b6414c2d9f646ca0468401217f322cd2d12de0d191a2963eec47cac68a9a00
Markdown22d89ff7dcd598208ce7474f7730e857db7a9387d51a59d966c81fb4908234cc
PDF
Publication paged0a77129687fb6a0db6c93ba4a3dd29cb44c185e090b1661d8b33a9bab6e1e8d
Manifest6fa87c05f41d6db1c424e6441c5ee440f6350b7a35cc27999471eb3ad26c4fe2

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
Signaturep0/LCVTDl/LJNyIpOGVLpuNsxD62V0DqSG48pLVl5G4LgkxnIowoEErv7SA0XbqlP1r6qWu/UEPqFFTHUeJgAQ==
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

2026-09-17T11:23:14.966797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037960
observed d0a77129687fb6a0db6c93ba4a3dd29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.948281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037960/manifest.json
observed 6fa87c05f41d6db1c424e6441c5ee440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.928594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037960/publication.md
observed 22d89ff7dcd598208ce7474f7730e857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.909204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037960/publication.txt
observed e8b6414c2d9f646ca0468401217f322c...
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.