OpenTechnical

OT-2026-000055218

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000055218) never changes.

Identity and time

Publication numberOT-2026-000055218 · never reused
Internal UUID01a0ae86-a0ff-736d-bb1d-98a3043ba0bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055218
StatusPUBLIC

Content hashes

Canonical texte6adee78187db93986f64466e46f62eebfc8f408780af58a5dc06d825b089354
Markdown52b9d83b19d787a8044f04e81b9075e05113a8c774aba45b47a9cc6e952d80f3
PDF
Publication page930af3dcb595b624d1f220dcce524a7f3dbe3d1e88d51161bbb7fad12c237a26
Manifesteac58439fda9c28367c36fe74881cec5101cdd38e4946d1979cbab7ab6d2c058

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
Signature2N+gnE4r+yl99R1Q68LsvuwihYbUpcib1mBDzCmBde+jdIRFsGy7dzDiO90POCEzejZvl+9GTJFPAMRRVB8XAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:47.769260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055218
observed 930af3dcb595b624d1f220dcce524a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.753089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055218/manifest.json
observed eac58439fda9c28367c36fe74881cec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.735867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055218/publication.md
observed 52b9d83b19d787a8044f04e81b9075e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.716204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055218/publication.txt
observed e6adee78187db93986f64466e46f62ee...
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.