OpenTechnical

OT-2026-000080572

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000080572) never changes.

Identity and time

Publication numberOT-2026-000080572 · never reused
Internal UUID01a0ae96-7e79-72bb-989c-4f321ff2b429 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080572
StatusPUBLIC

Content hashes

Canonical textf6702af458d351d613791c7566c0441d2cbd523fb3e4e3de5122240236046ff0
Markdown90f3efa3fc4cd29a44d8b9c66da1cb66f7311c5000843ac3ad962e54658804b5
PDF
Publication page7e39aa694a98758657861afea144a9213376ba8ed63f0265223ca5a4706a0eda
Manifestb53e4efce038da5459e6c5a819365e79688f0141b682dfe9f5b8de331c5c373b

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
Signature0a2mQXP34REampaM7dyexiIelTKUuvdg5ka3xUQyYpnddRnY3AFItPx1YrnwHlatnw2s5Owo57MjoVngDhpiAA==
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

2026-09-17T10:03:12.331963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080572
observed 7e39aa694a98758657861afea144a921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.314244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080572/manifest.json
observed b53e4efce038da5459e6c5a819365e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.297405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080572/publication.md
observed 90f3efa3fc4cd29a44d8b9c66da1cb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.278279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080572/publication.txt
observed f6702af458d351d613791c7566c0441d...
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.