OpenTechnical

OT-2026-000055863

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000055863) never changes.

Identity and time

Publication numberOT-2026-000055863 · never reused
Internal UUID01a0ae87-0a49-76dd-99d7-6c9bd0adc75a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055863
StatusPUBLIC

Content hashes

Canonical text5debafc614e67354ac1e9e61f75a5d0537af3bfc7052672ae226a1fcdd8acf95
Markdown45f07d50625b58f2b71b22de7549933fd83b1c58a4dfedd087f9d3d0eb1eeb23
PDF
Publication page167a623392b1021bfc7a8e033515d1df7d813dc5f59e9f242b9e0738e72fd69b
Manifest53b2914ee1a272651b51d2487bbb04406db8304c61f34f42657534d52d3cdb0a

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
Signaturemj9ZvLOOUmsqlY8G89SklSA40XVqr9wwS2rnGQY1YZ3XDIcYKol4G8H409ZS5vBCfusOUnD1p95+NRxRwPHPDw==
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

2026-09-17T10:51:15.708786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055863
observed 167a623392b1021bfc7a8e033515d1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.689340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055863/manifest.json
observed 53b2914ee1a272651b51d2487bbb0440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.670284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055863/publication.md
observed 45f07d50625b58f2b71b22de7549933f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.652537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055863/publication.txt
observed 5debafc614e67354ac1e9e61f75a5d05...
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.