OpenTechnical

OT-2026-000038878

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three 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-2026-000038878) never changes.

Identity and time

Publication numberOT-2026-000038878 · never reused
Internal UUID01a0ae78-769f-79b8-8913-550218eb59a9 · 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-2026-000038878
StatusPUBLIC

Content hashes

Canonical texte53611d4c4fc44d50cd48801f0c694f07075d95d0412110cdc6a9789b3c2596c
Markdownb8a3b9e8e8d279d61d74beadd4746a351e8643992163c8437de56f0d648f5b42
PDF
Publication pagea1e3a314b8245fee2bdc5f8d025eaf6c9c0cabd3a911005acd5050a831e28c2d
Manifestfe125572bcce48ebb2199181f25a13ee26bc5e824deb1f4e13530afddaace977

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
SignatureCDjjAY2jv4jy3p2mtQO1AAPX09HXenfo7Y2JeDMzSG8oPhK2DfLDQ/Yf87+D/1zsJ/UDUiw91nNxV0vEK1B9Bg==
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

2026-09-17T11:21:32.547848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038878
observed a1e3a314b8245fee2bdc5f8d025eaf6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:32.528548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038878/manifest.json
observed fe125572bcce48ebb2199181f25a13ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:32.508472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038878/publication.md
observed b8a3b9e8e8d279d61d74beadd4746a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:32.489628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038878/publication.txt
observed e53611d4c4fc44d50cd48801f0c694f0...
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.