OpenTechnical

OT-2026-000031093

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off 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-2026-000031093) never changes.

Identity and time

Publication numberOT-2026-000031093 · never reused
Internal UUID01a0ae74-3fb8-7174-9ac6-872fae985c47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031093
StatusPUBLIC

Content hashes

Canonical text1537ad98d61afcd6ee2c0c698d529f42ce6b89ff210b07021c1453327d694ac3
Markdownfa73f05a9397b6eb8324c139d18e488f2f5857bf75354ac4db2903a2075d4aff
PDF
Publication page0f6fa283c0f1ec5c6fe8e4640ce7950b3d93836c1d998f56377edb93945da616
Manifest3cf85e55461bf41ea7f7243a9628575aa894eea2f71b4e3f35792117dee43dd6

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
SignatureesL5NsApYtMUrRrb5zlR4FJGPXhbdwx0k/fQaAONDJbKXPyUfIEPOWaStV0lHCQpkbgkoPy7k0NUJ7huZQJPDQ==
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

2026-09-17T11:40:19.051392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031093
observed 0f6fa283c0f1ec5c6fe8e4640ce7950b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.033742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031093/manifest.json
observed 3cf85e55461bf41ea7f7243a9628575a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.013162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031093/publication.md
observed fa73f05a9397b6eb8324c139d18e488f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.992203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031093/publication.txt
observed 1537ad98d61afcd6ee2c0c698d529f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.038842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031093
observed 0f6fa283c0f1ec5c6fe8e4640ce7950b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.022086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031093/manifest.json
observed 3cf85e55461bf41ea7f7243a9628575a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.004521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031093/publication.md
observed fa73f05a9397b6eb8324c139d18e488f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.987069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031093/publication.txt
observed 1537ad98d61afcd6ee2c0c698d529f42...
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.