OpenTechnical

OT-2026-000038726

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038726) never changes.

Identity and time

Publication numberOT-2026-000038726 · never reused
Internal UUID01a0ae78-769e-7e87-a0ed-d193f50f3149 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038726
StatusPUBLIC

Content hashes

Canonical text2d906bc7970c036c338fbfd88ef72c81d105ff3661f9564ae97dc72870ef014b
Markdown271f546a1507f816a622d910f9f87070f3213381513fff8ee1d2316f2347c82f
PDF
Publication page095ac56abd02b8b8352b0312be2a21d2bfc93eb14d9234824434f07cbed54c5f
Manifest61e065b2ef6f1c4699dd52f255121a1df0078bf5f55849eaf5e2aab4dd32ee03

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
Signatureij+4Ge34xMktngZ/Xotk2QkeK6q4ZIejEO4O5hWaErJVCR5RrMc3CU5aJBaJ1zHcUItjGJm5njL/K+HT9J8MCw==
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

2026-09-17T11:21:14.869755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038726
observed 095ac56abd02b8b8352b0312be2a21d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:14.851790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038726/manifest.json
observed 61e065b2ef6f1c4699dd52f255121a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:14.835579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038726/publication.md
observed 271f546a1507f816a622d910f9f87070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:14.817926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038726/publication.txt
observed 2d906bc7970c036c338fbfd88ef72c81...
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.