OpenTechnical

OT-2026-000081924

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000081924) never changes.

Identity and time

Publication numberOT-2026-000081924 · never reused
Internal UUID01a0ae97-0f76-7bc5-be76-b6d468ac9fa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081924
StatusPUBLIC

Content hashes

Canonical textf3f8c0ef22446596304f44bf28a6f98601e2b4f319d7d26e57331b5931026de3
Markdownf9a034f15b3379f39c2976cb5725a279f3fe307c87ce68c7a79ad88a713790eb
PDF
Publication page8b576072b40e282232bfa507db06189ea5ea586f67779617b1d91052903dde79
Manifest2f7a66faa8c53f5c8722216b147939374aa09c870d2d9bf6291f7d4164f6b46b

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
SignaturevYxc/VjdOuyGdCXlh+EniWqr6vp/XBgICYKUNG2K+jso65SI44Hw1laNfsKaSj6/FemblIE/In/HKsvZ/espCQ==
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

2026-09-17T16:42:30.082020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081924
observed 8b576072b40e282232bfa507db06189e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:29.928185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081924/manifest.json
observed 2f7a66faa8c53f5c8722216b14793937...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:29.735713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081924/publication.md
observed f9a034f15b3379f39c2976cb5725a279...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:29.558253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081924/publication.txt
observed f3f8c0ef22446596304f44bf28a6f986...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.225710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081924
observed 8b576072b40e282232bfa507db06189e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.209639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081924/manifest.json
observed 2f7a66faa8c53f5c8722216b14793937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.192031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081924/publication.md
observed f9a034f15b3379f39c2976cb5725a279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.173757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081924/publication.txt
observed f3f8c0ef22446596304f44bf28a6f986...
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.