OpenTechnical

OT-2026-000080879

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000080879) never changes.

Identity and time

Publication numberOT-2026-000080879 · never reused
Internal UUID01a0ae96-b974-7281-8275-2d78123d3321 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080879
StatusPUBLIC

Content hashes

Canonical text512e195715808d2d8d551dca3083c5441e317245b0934a697c6da04e4f07f400
Markdown022890bf1c7301428f0e60769acef882112990c8e45ca767de99871d16207283
PDF
Publication page80b498f655981e6bf7f3a3dd49e4bea69d45bd7626f40d86ee76b3e02939748b
Manifestcf12778d5a10f663002229865c1150a0b2581b9efc97d293cdfc3c0b0504f9b3

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
Signature2IizvFJMTFTMUAE54+zRirdBdzk9yt+lbABlLM/y6LkaHV7aBJ21FMja296hKYnAWEU1fbcOJ4psydVzjLr+Dw==
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

2026-09-17T10:02:04.721597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080879
observed 80b498f655981e6bf7f3a3dd49e4bea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.702978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080879/manifest.json
observed cf12778d5a10f663002229865c1150a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.685547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080879/publication.md
observed 022890bf1c7301428f0e60769acef882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.669730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080879/publication.txt
observed 512e195715808d2d8d551dca3083c544...
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.