OpenTechnical

OT-2026-000054685

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000054685) never changes.

Identity and time

Publication numberOT-2026-000054685 · never reused
Internal UUID01a0ae86-1284-7b6b-b66b-572727716f45 · 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-2026-000054685
StatusPUBLIC

Content hashes

Canonical textca2c6e2e7bee801e3c08685592276fb754affa90adde0d64cf9cb5ea6ce43cf3
Markdown152f8adecd3b4c8a9a3256bc7c71fa39dbbbd9ae547e57343f13e180cd38b90a
PDF
Publication page43353c1dadf8ec4adb5a8af37fee1656cd48d897b5a2cd5421e3bbd7016aab0c
Manifest21a379bd2205303bb0cafd085ee72abc056ba5018ef02c4d593945fb83d391a7

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
SignatureokdqJ1J86OSIQDF3gnfQFKSpFsnH0jfZf/+WrfFdumwL6V6U5cMEKIxwC5pR6smY0wtXCkWmiBiFei10doHLAw==
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

2026-09-17T10:53:46.040301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054685
observed 43353c1dadf8ec4adb5a8af37fee1656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.021651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054685/manifest.json
observed 21a379bd2205303bb0cafd085ee72abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.003323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054685/publication.md
observed 152f8adecd3b4c8a9a3256bc7c71fa39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:45.985725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054685/publication.txt
observed ca2c6e2e7bee801e3c08685592276fb7...
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.