OpenTechnical

OT-2026-000080945

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-2026-000080945) never changes.

Identity and time

Publication numberOT-2026-000080945 · never reused
Internal UUID01a0ae96-b975-7c74-95de-6846182312bf · 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-2026-000080945
StatusPUBLIC

Content hashes

Canonical textfa9d34169a2ece325471e7c5666d14a09d8d12ce6e89582be6a4656841ed8014
Markdown80544133a2a6f7f178aa2ffdd95f1d6447c4b68c545f01d8db9bf16f915ff8d2
PDF
Publication page9acdd458aed4b0df10f1dc08095b023604b9e99a485e1c50c0a6576699bbe009
Manifest69c5cfb644b112fb4d7dbc28041109ae2cef2997f17f96fed1824b59a153faac

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
SignatureSvltAqFtfWy8IIWCNIkWmMHaxQE8BYf3v8uldOEUp5yWEB98N3YzoOqTw3pDrtLy4NNdTnzTlXBLkHe3LMeoAg==
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

2026-09-17T10:02:13.353151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080945
observed 9acdd458aed4b0df10f1dc08095b0236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.335226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080945/manifest.json
observed 69c5cfb644b112fb4d7dbc28041109ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.316815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080945/publication.md
observed 80544133a2a6f7f178aa2ffdd95f1d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.299955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080945/publication.txt
observed fa9d34169a2ece325471e7c5666d14a0...
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.