OpenTechnical

OT-2026-000091017

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000091017) never changes.

Identity and time

Publication numberOT-2026-000091017 · never reused
Internal UUID01a0ae9c-c011-76d0-aeb6-d5a9f496839a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091017
StatusPUBLIC

Content hashes

Canonical text6329bbd5d4091ea4e9bf747668dafe85451dc9c98a944c46b49c87f81a40e38a
Markdowna86484543e58cb88122b72465f3aa4cc7f746ba65dc13e9942c644a9d9bbdfd7
PDF
Publication pagee824ad185675fb33a1834ea4a06dcd1735b7df6cd1d13f360a0fc44217adf163
Manifest4e5579713ba28085dc09e55de43275cfe5762c3fc0aa74a42acfc08da2cbdae1

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
SignatureMjEOAv5GdPuAMmfoPdUZqEPTKYyZ3aDnUs/hModadF0W51BjS184zMWcu+0ivBUL+fznL788GZ6ngpEeWE+iCg==
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

2026-09-17T09:44:15.352678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091017
observed e824ad185675fb33a1834ea4a06dcd17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.333918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091017/manifest.json
observed 4e5579713ba28085dc09e55de43275cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.314834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091017/publication.md
observed a86484543e58cb88122b72465f3aa4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.295755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091017/publication.txt
observed 6329bbd5d4091ea4e9bf747668dafe85...
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.