OpenTechnical

OT-2026-000054759

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000054759) never changes.

Identity and time

Publication numberOT-2026-000054759 · never reused
Internal UUID01a0ae86-1285-7861-9fcf-ae0cf3474fff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054759
StatusPUBLIC

Content hashes

Canonical text84d606e7865158984bce7c14d74000897e9cd6bbe6064329a6869564690e2f1f
Markdown55f733ce9dcd2826df7ceba5c325078fe5074ffb71074913693d3bb8122a0a94
PDF
Publication page07f52f08e8b93a851c67356c5d0ebf03e0aaab5caad5bd8cd573ab2083700222
Manifest49ef306c13448a243a53eefd3c81761665661cb55f2e1603846dafc83d0701cb

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
SignaturePXZo9FfbxFJgaVeTzwSH7B+8Bnx+bs95WWaIsgYH3UdOvApMrE6Um+L7/TIymxO6oSlRJZrJUsuHFfSECTpZDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:56.958346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054759
observed 07f52f08e8b93a851c67356c5d0ebf03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.939687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054759/manifest.json
observed 49ef306c13448a243a53eefd3c817616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.919480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054759/publication.md
observed 55f733ce9dcd2826df7ceba5c325078f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.900638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054759/publication.txt
observed 84d606e7865158984bce7c14d7400089...
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.