OpenTechnical

OT-2026-000058324

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000058324) never changes.

Identity and time

Publication numberOT-2026-000058324 · never reused
Internal UUID01a0ae88-f398-7fe3-b140-4954e71d0746 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058324
StatusPUBLIC

Content hashes

Canonical text347c0e3120bed1a03476c6b3dfd3452a286032f0c8f67cc0fe13e1535c9b28f6
Markdown61f7a943c714ca0bc7ebdc13e1ac7fdd023ab9dc6ea18632d8efe073802fc3d2
PDF
Publication pagecf70ae668077c353f3e15b93b625a468e7d38981d9115ac52abc120d7acde492
Manifest28456d659092f8499eac9ed235893d8126f9c6e0a05fb5a68558f435d8fa7464

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
SignaturevTewihQ8h07OGXSD5tt801Oi46wuNeGB6SZnIrBBLZlc2GoBHXVDtba7RcT4rh5GtZpr1b4GmiSs/mtl4iK6Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:43.852960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058324
observed cf70ae668077c353f3e15b93b625a468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.837194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058324/manifest.json
observed 28456d659092f8499eac9ed235893d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.819578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058324/publication.md
observed 61f7a943c714ca0bc7ebdc13e1ac7fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.802234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058324/publication.txt
observed 347c0e3120bed1a03476c6b3dfd3452a...
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.