OpenTechnical

OT-2026-000055679

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000055679) never changes.

Identity and time

Publication numberOT-2026-000055679 · never reused
Internal UUID01a0ae86-a103-77e5-b8fe-978ccf746aab · 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-2026-000055679
StatusPUBLIC

Content hashes

Canonical text260d993a95f0f9ba16ef23f1214999f3a874afc450b4924b0b60fd0d873ed8d4
Markdownaba6586a856468613c80fd19c00311251d9c4af35ef212bafdcca2e564af6b54
PDF
Publication page65bd2c68eea3caf783cc4c5343b9d21e758ade02783392384c8a3d9b3cd420fe
Manifest00abd1a922974cfbeb0d2d4f4f196304457342056cb49687f1cf2e5eaea4df80

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
SignatureUeSzxvvFlkEyTKz0NpZeGR1KRrvmggFpxP0cpS9RsMPQPrCAf98wcn+A1ZWBe6cE/T3x4HTq1JPPx8sFQbCFBw==
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

2026-09-17T10:52:56.641250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055679
observed 65bd2c68eea3caf783cc4c5343b9d21e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.624287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055679/manifest.json
observed 00abd1a922974cfbeb0d2d4f4f196304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.606678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055679/publication.md
observed aba6586a856468613c80fd19c0031125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.587586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055679/publication.txt
observed 260d993a95f0f9ba16ef23f1214999f3...
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.