OpenTechnical

OT-2026-000080941

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000080941) never changes.

Identity and time

Publication numberOT-2026-000080941 · never reused
Internal UUID01a0ae96-b975-7714-aa02-f1fe4eee3634 · 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-2026-000080941
StatusPUBLIC

Content hashes

Canonical text47a305e731b33badae7c1250fcd859dc20a402a6bf963c5bc06fa7eb080dd505
Markdown3adc654fbfe4682c14eebfd340a99f47280325244ef89a497ad9151f24860f3d
PDF
Publication paged3e9e35531d441f3d9e5209a01c4cf637579b6d43dc3d9953a383e75c21da64a
Manifest68506d33e5544cbc5d5200e553ec533268f41b8ff6e739caa46fd5249f446d6c

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
SignatureRj9ihM8HSnJ2z3B0Qfuk/cIbtkbQUi+EeZizbYGGwJ4/adaxn2cd2mLEGqxEV52hld7sQ3A91NEYFnOz6fF2Ag==
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

2026-09-17T10:02:12.967525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080941
observed d3e9e35531d441f3d9e5209a01c4cf63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:12.948360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080941/manifest.json
observed 68506d33e5544cbc5d5200e553ec5332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:12.930235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080941/publication.md
observed 3adc654fbfe4682c14eebfd340a99f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:12.910281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080941/publication.txt
observed 47a305e731b33badae7c1250fcd859dc...
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.