OpenTechnical

OT-2026-000073564

Publication integrity record

Six bellows 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-2026-000073564) never changes.

Identity and time

Publication numberOT-2026-000073564 · never reused
Internal UUID01a0ae92-efb9-7e6f-80ac-9e95822ed177 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073564
StatusPUBLIC

Content hashes

Canonical text835b40facca45659702c5216891d98e23144ec2ae9c1661a67d064f3fac9a730
Markdown46154107d2c298be264859f932e5c2ef55b75076590bb54ae6029426e0d83748
PDF
Publication page29857db1103ef99b9a83d12cdf344593bcc212c8830d6b0e293957a48cd8a18e
Manifest021cc41350dceb544ed938b1b77da76d2ebe34e65fd0622ac8d8284cd7f75c6e

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
SignatureB5UIc1kF/vN/YI37/mQ+k2XERHMpvXK9jiV5cpnOKO178KjdSKsJZYnfEhhqJbqbuscblCcRxb3jvfI8zOjYBQ==
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

2026-09-17T10:21:44.269275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073564
observed 29857db1103ef99b9a83d12cdf344593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.251851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073564/manifest.json
observed 021cc41350dceb544ed938b1b77da76d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.232953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073564/publication.md
observed 46154107d2c298be264859f932e5c2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.214819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073564/publication.txt
observed 835b40facca45659702c5216891d98e2...
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.