OpenTechnical

OT-2026-000080903

Publication integrity record

Foam pad 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-2026-000080903) never changes.

Identity and time

Publication numberOT-2026-000080903 · never reused
Internal UUID01a0ae96-b975-720f-a543-a7e0c88f8054 · 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-2026-000080903
StatusPUBLIC

Content hashes

Canonical textea07c8a3ea4f517769616a5a1397719d04187aabf7267a2d6198af4e9d7f6567
Markdownf5910037ea16e8ce89e543ea7ff52654fa9ee43b171e189c3ef1127432ea2f2e
PDF
Publication page88a25ddd32ad97d8592bc41286a9e1763d7d13fb090b9ad27ac540cbbe43c591
Manifest2ffa967c40e5d8fd6ec97686b9400315bec739566966862cf87e918a3ca07929

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
SignatureAODUhN2FINxh+MBygHgTVm8liUI8onW4jnFF4H8P/5Smk57DpBFEq5IoIVma0vtndkt4kddSnANkw0iSwK4jBQ==
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

2026-09-17T10:01:40.178451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080903
observed 88a25ddd32ad97d8592bc41286a9e176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.161139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080903/manifest.json
observed 2ffa967c40e5d8fd6ec97686b9400315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.116186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080903/publication.md
observed f5910037ea16e8ce89e543ea7ff52654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.077756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080903/publication.txt
observed ea07c8a3ea4f517769616a5a1397719d...
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.