OpenTechnical

OT-2026-000062978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000062978) never changes.

Identity and time

Publication numberOT-2026-000062978 · never reused
Internal UUID01a0ae8c-94a9-7993-abbb-e0934824b76f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062978
StatusPUBLIC

Content hashes

Canonical text6b15fb741bffa1a4035c28c66405934eef105fa15af94ce46613af767a28969c
Markdown936f165f8ad034c019c854030dc0844342093dc16c5d85b4be3a9430f83d6959
PDF
Publication pagea48120977df240f84194aa8451240e5a7fe309d9df9c416440fa964eb7b4e0cb
Manifest49893077d21eeee899848f3acfcbed2a258daae26affaec9ece1bbcb9881c1ca

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
SignatureS/RTqnGGRIT0H1dkgXS2Gz1iX3r7UFqCG6SX3+XR2a+2asMMej+SfBvQHsPIh19cgctlkWgtda7xJ8s95yqTCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:29.942717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062978
observed a48120977df240f84194aa8451240e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.904199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062978/manifest.json
observed 49893077d21eeee899848f3acfcbed2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.882896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062978/publication.md
observed 936f165f8ad034c019c854030dc08443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.858645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062978/publication.txt
observed 6b15fb741bffa1a4035c28c66405934e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.758215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062978
observed a48120977df240f84194aa8451240e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.736717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062978/manifest.json
observed 49893077d21eeee899848f3acfcbed2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.713653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062978/publication.md
observed 936f165f8ad034c019c854030dc08443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.692807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062978/publication.txt
observed 6b15fb741bffa1a4035c28c66405934e...
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.