OpenTechnical

OT-2026-000076559

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000076559) never changes.

Identity and time

Publication numberOT-2026-000076559 · never reused
Internal UUID01a0ae94-b06d-7b99-8d7b-3270513b255d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076559
StatusPUBLIC

Content hashes

Canonical text279278e101b8f9f390390aadbcb52750c232fce6227f0c700007a95542c01b36
Markdownf93f55bab906bfb21da6e72ca2732c076a94650643a5017cc80a20d6e5dbeeab
PDF
Publication page0b3cc69ec4cd03c10da09564b251d6dba3504e81c1e16dfe424731ca17b51f6a
Manifeste0f26bc20654512d15a5216d58b47851bdd59c6af158f71c981eb3fddfd19a87

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
SignatureDwPb4DYO7cGH52Z9OclGV3/FKckRPQxNyLJE9IoP9c3pUSor69yI/i9T8+boVylYHtZULoJJjbCXIK0CctUjBQ==
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

2026-09-17T10:09:16.629768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076559
observed 0b3cc69ec4cd03c10da09564b251d6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.610595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076559/manifest.json
observed e0f26bc20654512d15a5216d58b47851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.590503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076559/publication.md
observed f93f55bab906bfb21da6e72ca2732c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.572914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076559/publication.txt
observed 279278e101b8f9f390390aadbcb52750...
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.