OpenTechnical

OT-2026-000022627

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000022627) never changes.

Identity and time

Publication numberOT-2026-000022627 · never reused
Internal UUID01a0ae70-46e9-7ee1-8c73-a8c54fedcd81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022627
StatusPUBLIC

Content hashes

Canonical text916aa001f944805532ac8c370ca139a0505522f012f622148f3b2c6e99ff8321
Markdownd4294eb4342810aca3044a1a4fa99ce7932b16cebaa4908a0c1944586962c52a
PDF
Publication page8adc5a473f52953c37d63dc0bb49d3c52c7322a46b2a964e72c54ab52e51dc40
Manifest7f2607ab8d880a8346c858bb994d67fed6350c5ce1a7946ea2730d13657bb25c

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
SignatureJg9pr0hJNFrC/iOd0Vq0D8tfxgj5aDQRaE5yQp5tYTvwYNiSe06XbzeCAoHHmOjEWK7++ay5kQnC6aKBM173DA==
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

2026-09-17T11:52:00.096827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022627
observed 8adc5a473f52953c37d63dc0bb49d3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.079348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022627/manifest.json
observed 7f2607ab8d880a8346c858bb994d67fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.062710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022627/publication.md
observed d4294eb4342810aca3044a1a4fa99ce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.045395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022627/publication.txt
observed 916aa001f944805532ac8c370ca139a0...
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.