OpenTechnical

OT-2026-000056854

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000056854) never changes.

Identity and time

Publication numberOT-2026-000056854 · never reused
Internal UUID01a0ae87-7af8-7b29-823a-cb10c5380aa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056854
StatusPUBLIC

Content hashes

Canonical textf83b6c93947e208b490148c3ec43774120b526a4ace94fc6920e992ce2f8edaa
Markdown15cefa4dc8fb06be5755842e707d3026363ad169450fa50f8b2b2a697ba51e92
PDF
Publication paged10b3fb4182caa788507419cff9616fff8d5eb59036c1db331e5742286b586c2
Manifestfeb122bbba69cbd88a6a171e8a02fa9edc60aead9aba4f68ef195f8f0a174eee

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
Signaturey23fM5EEN3CvjUw2yYVMJGaUkJw/rR03pC7UVvnHuAsAVXc2gvb0UrZApgMQSj+EN7UdZpRgvylo6/cfsvVoBQ==
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

2026-09-17T10:50:21.358303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056854
observed d10b3fb4182caa788507419cff9616ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.338533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056854/manifest.json
observed feb122bbba69cbd88a6a171e8a02fa9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.320912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056854/publication.md
observed 15cefa4dc8fb06be5755842e707d3026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.301889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056854/publication.txt
observed f83b6c93947e208b490148c3ec437741...
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.