OpenTechnical

OT-2026-000037887

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000037887) never changes.

Identity and time

Publication numberOT-2026-000037887 · never reused
Internal UUID01a0ae77-f88a-7698-ae61-0aabcfa0e436 · 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-2026-000037887
StatusPUBLIC

Content hashes

Canonical text21a12e7916aca4830e0c639378da2656b12f610a61072e2b1cd64a76748b3340
Markdown61f0f0c1eff81efdc7e291b9e1c21578e4adfa60456765961651ac23f21e9332
PDF
Publication page7c85ebd46f1a6b0935736beb241f0d62cdd6a8313841faebf77d5574249d435c
Manifest0df001096f3fdc15f8f2dc6cf059b821ff2d7e6aef98dfd6a8e4cd8d1c855c98

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
Signature3BaO1z2EdVj+slonm1oAIORwn+wMEM15ojwkAXwWcUoN7F+uWbJCZRbdT0J79ZFIs1SnBGLIzmZwaGw5kFumAA==
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

2026-10-19T12:41:36.646166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037887
observed 7c85ebd46f1a6b0935736beb241f0d62...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:36.593560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037887/manifest.json
observed 0df001096f3fdc15f8f2dc6cf059b821...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:36.540972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037887/publication.md
observed 61f0f0c1eff81efdc7e291b9e1c21578...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:36.440506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037887/publication.txt
observed 21a12e7916aca4830e0c639378da2656...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.080357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037887
observed 7c85ebd46f1a6b0935736beb241f0d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.063404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037887/manifest.json
observed 0df001096f3fdc15f8f2dc6cf059b821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.046845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037887/publication.md
observed 61f0f0c1eff81efdc7e291b9e1c21578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.029557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037887/publication.txt
observed 21a12e7916aca4830e0c639378da2656...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent