OpenTechnical

OT-2026-000054889

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000054889) never changes.

Identity and time

Publication numberOT-2026-000054889 · never reused
Internal UUID01a0ae86-1285-7a4a-8280-a24ac0af3c2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054889
StatusPUBLIC

Content hashes

Canonical text3c5068a2889128db33d8eb3bea179472285c7d8c3b89b2be038b87b108548162
Markdown35340aaf8a19cc3a70e8e43b76dd9c23cbe5993664f06fcc83c80fbe173cb76a
PDF
Publication page82aaa9247a6da04cee0f6d8bdc3734d718df9498f871a39847b24d0fcbf33875
Manifestf0a9e379f484e2ad3542306e9eb6f9c5e400bf994e2a95c7c32fe50aa325393e

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
SignaturezlI10gmw0SolSpVwsGJGTgRkKIJO4PRkPso7ySFqC+Sp50Dp4/9CLf0EQuldUM73d7w0hWLhaUrPrwmaRcYNCQ==
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

2026-09-17T10:54:06.917764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054889
observed 82aaa9247a6da04cee0f6d8bdc3734d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.898270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054889/manifest.json
observed f0a9e379f484e2ad3542306e9eb6f9c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.877432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054889/publication.md
observed 35340aaf8a19cc3a70e8e43b76dd9c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.858457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054889/publication.txt
observed 3c5068a2889128db33d8eb3bea179472...
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.