OpenTechnical

OT-2026-000098765

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000098765) never changes.

Identity and time

Publication numberOT-2026-000098765 · never reused
Internal UUID01a0aea2-42af-76de-b9ea-aa0288864c3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098765
StatusPUBLIC

Content hashes

Canonical text9e1eb65731d068b359f46086fc8feb2b4cf48a225a808d1cab8aec7855e5a40d
Markdown10e4cdbbb647da1aab089b42b337798a09f276e923a2044262e82f00db687918
PDF
Publication pagea04bc325f7afce19a8d04063d8b875d2456e0f33d97f3fb0e4c91c9a19f37161
Manifest7ad54433e0fbba5c142d62913739e7f755c68a2d30b7103361349a4d377cdc5a

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
Signature2/c9IWCj2bYLmgtJKZOl5cVG8InAKjEICnqgljcrXpuOAI/8x9NHDPWx9VFRIenIJyKmgP1UHCZSAtkcgM3YCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:05.150536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098765
observed a04bc325f7afce19a8d04063d8b875d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.132775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098765/manifest.json
observed 7ad54433e0fbba5c142d62913739e7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.115407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098765/publication.md
observed 10e4cdbbb647da1aab089b42b337798a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.097517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098765/publication.txt
observed 9e1eb65731d068b359f46086fc8feb2b...
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.