OpenTechnical

OT-2026-000027247

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000027247) never changes.

Identity and time

Publication numberOT-2026-000027247 · never reused
Internal UUID01a0ae72-3454-7f63-b235-ee598a42b436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027247
StatusPUBLIC

Content hashes

Canonical text8bf594d61571e94f9cef2f5f456b9e90121f47947ed78ec0eb9e1414bf557bbf
Markdownb4c1a9900b7a65eb2921ca34aa75dafb4788ec454bd2fd487f62ad3dea54e7c7
PDF
Publication page3b5b8f25d16f90fb1cce6dc52368138889f8d2da91a7495a4dde97e8eab5e8c4
Manifest30768bc55bf29d75efe834ce406ef3eaa9ea3471a33d3fee6d9e77b2eec5170f

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
SignaturedOBcMMULii0eqKp1QF2rApuj67+bYZ3fOypq4POcu3dwKpGoy3fnKqTJaO7k74GbE0kQ8J1NOlqshEXorRJQDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:08.661896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027247
observed 3b5b8f25d16f90fb1cce6dc523681388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.645308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027247/manifest.json
observed 30768bc55bf29d75efe834ce406ef3ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.629961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027247/publication.md
observed b4c1a9900b7a65eb2921ca34aa75dafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.612142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027247/publication.txt
observed 8bf594d61571e94f9cef2f5f456b9e90...
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.