OpenTechnical

OT-2026-000100799

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100799) never changes.

Identity and time

Publication numberOT-2026-000100799 · never reused
Internal UUID01a0aea3-66f5-78ad-8db2-6ca15f0ac7cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100799
StatusPUBLIC

Content hashes

Canonical texta2c0ffa338d22b0c53f415b05191c460fd78c76b58897ef189cf1b42ae4bf479
Markdownb0beefe59f5f665723b9f3f03b26b5a12633909e653adf4e661549f487478b19
PDF
Publication page10f0c752bca69f4d5f831eea232f8d4cc5724979b8df6decfd44d5ca04a0b4c7
Manifeste3d549b762ff45f2db5accd64bdf2aa7a1216e963f42f51cb780f8f6501302eb

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
SignatureoO5VclgP2nxzG8FQbNYPVWaGfoSy55KsNY6fhkfdJCykhjwGvOAT+6Kaxm0+pW9s8aErUQcBYAPk4FWrC56hAg==
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

2026-09-17T09:27:42.753519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100799
observed 10f0c752bca69f4d5f831eea232f8d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.735747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100799/manifest.json
observed e3d549b762ff45f2db5accd64bdf2aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.718101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100799/publication.md
observed b0beefe59f5f665723b9f3f03b26b5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.697139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100799/publication.txt
observed a2c0ffa338d22b0c53f415b05191c460...
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.