OpenTechnical

OT-2026-000100509

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100509) never changes.

Identity and time

Publication numberOT-2026-000100509 · never reused
Internal UUID01a0aea3-66f0-725a-9638-0b2831b715a9 · 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-2026-000100509
StatusPUBLIC

Content hashes

Canonical text1552293c79722a061973acacff87dbe2d0e66067749b3c72aef30ad634cda8f2
Markdown5c316c6f39dc16ab2ffbc31ee7b9ffc9fc584bc27a6ca0dd977f6e176d43106a
PDF
Publication page342d29dee4ec0351d8035340885551eb6b6d52aaea4f3ad91f947d9afcc278f2
Manifeste3e493c3ca536b37e8a402c025836a20f8daeebc4ac0b6f0d677e8448298300a

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
SignatureUXRiYaV12Np35HBC22Vc9bZ4+h372/cMJsXdcu2s8FxFHKzWrnZJqsecjVPqtTxZZzjuAoz+Xeh+rZmIKEi4AQ==
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

2026-09-17T09:27:16.490766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100509
observed 342d29dee4ec0351d8035340885551eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.474114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100509/manifest.json
observed e3e493c3ca536b37e8a402c025836a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.456082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100509/publication.md
observed 5c316c6f39dc16ab2ffbc31ee7b9ffc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.440383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100509/publication.txt
observed 1552293c79722a061973acacff87dbe2...
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.