OpenTechnical

OT-2026-000088278

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000088278) never changes.

Identity and time

Publication numberOT-2026-000088278 · never reused
Internal UUID01a0ae9b-5d26-79d3-83eb-cd8069c87686 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088278
StatusPUBLIC

Content hashes

Canonical textf966b49f4a408cd3e7b753ea4bf9058ccad6f45e5f07071df1a94bb3912d566f
Markdown6fc004569011307556bf9fa5f3864f31682e08e530cbf83513dcf1449ca7d7f6
PDF
Publication pagec575ce24b4e89712cefecb84dd2e0cdfad9f92a93bc298b3fba547b291ca3ad7
Manifest7fcd341fba8a44fa69dccc50c23b0a77b04aab8c40e4b0b0941246edacefcf2d

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
SignaturecTrBMyfeEadj7vRhvv2/BpRiDgAT70T/S4sy+4jTVB0+8eK6TtapHx1TQGXIBXVGEGal2yLotgjVSI2yTi1PAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:35.334306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088278
observed c575ce24b4e89712cefecb84dd2e0cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:35.318006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088278/manifest.json
observed 7fcd341fba8a44fa69dccc50c23b0a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:35.301330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088278/publication.md
observed 6fc004569011307556bf9fa5f3864f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:35.284475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088278/publication.txt
observed f966b49f4a408cd3e7b753ea4bf9058c...
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.