OpenTechnical

OT-2026-000055582

Publication integrity record

Six pad foam 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-2026-000055582) never changes.

Identity and time

Publication numberOT-2026-000055582 · never reused
Internal UUID01a0ae86-a103-7673-a79e-7fa1c27404cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055582
StatusPUBLIC

Content hashes

Canonical text5872cb41140c9ac9bf89fbd5143a57b68a26cdc77e4f62d3c7f00524d3c170f8
Markdownee8209464f3152613081746e5f5ceb3d010ff2ffd0fe272b305b2971ba753c86
PDF
Publication page572e6c85ddf885b5cd04c93542363140f0be1df5d52d9dcbc1bea0d7b0ab4c35
Manifest0dca8961146869cd7821fb68ff6831f7a78c3b58c39b2e6b5a482d15641d2ced

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
Signature17KGQxBICP/W3MaEzOodpPnkiz+A6tgmr+1tfvaDi7kC0qAWRdv3TOPxQkvug1XmqisMSfo/dNeIF886TD9MAg==
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

2026-09-17T10:52:49.152562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055582
observed 572e6c85ddf885b5cd04c93542363140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.137508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055582/manifest.json
observed 0dca8961146869cd7821fb68ff6831f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.122182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055582/publication.md
observed ee8209464f3152613081746e5f5ceb3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.106246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055582/publication.txt
observed 5872cb41140c9ac9bf89fbd5143a57b6...
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.