OpenTechnical

OT-2026-000071461

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000071461) never changes.

Identity and time

Publication numberOT-2026-000071461 · never reused
Internal UUID01a0ae91-e0ed-7f38-8e3f-371036c0cb81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071461
StatusPUBLIC

Content hashes

Canonical text1cf0695476b44491b4919a6e4fb8998209f90fd76e90cb8d6cc8f0c0f5bc7040
Markdown8764fba1d32f71767486312190be6d3424a9218e722846d4dde41de63ae573fc
PDF
Publication pagef9a49c1cef88d50c95a7ac7cc2e59c053f36a4d769f97c85340575fa886c7bfd
Manifest594d17883280a1cc2ffbe6e461e981677df971ae450015958967d6baf67529b2

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
SignaturewhEf0tlIzmEc1rR8tsLrWJWdqE4z4dQLT87Lqz5RsGqx8rVNKvqpl03EAX6yMI0DJddv8XUEURcXNfyKEF9wDQ==
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

2026-09-17T10:25:06.090331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071461
observed f9a49c1cef88d50c95a7ac7cc2e59c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.074286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071461/manifest.json
observed 594d17883280a1cc2ffbe6e461e98167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.056132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071461/publication.md
observed 8764fba1d32f71767486312190be6d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.038163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071461/publication.txt
observed 1cf0695476b44491b4919a6e4fb89982...
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.