OpenTechnical

OT-2026-000054006

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000054006) never changes.

Identity and time

Publication numberOT-2026-000054006 · never reused
Internal UUID01a0ae85-b3a7-7f76-a5aa-8d5f4d534477 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054006
StatusPUBLIC

Content hashes

Canonical text45cbe11a62fd53e6e72e17b6b99d73c04d676cb7528f723d6e738af3dd3aeffb
Markdownd24faa370a6d0219ae5135d180b6b124b948b4c10a67bc143e2cc33bcda80280
PDF
Publication pagef69a98ba4ea6e8c4dd43d3cb988dea6d92e4a7ece9dffac54bbe7c1eff718761
Manifestbf1d41c00cd7bdbde2170b6a95e9519297d48f31a9f7a6192a0fa28cf524febb

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
SignatureBHjk1PNofwcj30tnkFD3cOaUNfL8f7zDa1b8ZaKu4hJuu9lm+j8VhV/lk+Lih3ZUwbxFWx7iuSQKgxd1dvC2AQ==
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

2026-09-17T10:54:13.836246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054006
observed f69a98ba4ea6e8c4dd43d3cb988dea6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.813119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054006/manifest.json
observed bf1d41c00cd7bdbde2170b6a95e95192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.785737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054006/publication.md
observed d24faa370a6d0219ae5135d180b6b124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.761911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054006/publication.txt
observed 45cbe11a62fd53e6e72e17b6b99d73c0...
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.