OpenTechnical

OT-2026-000072775

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000072775) never changes.

Identity and time

Publication numberOT-2026-000072775 · never reused
Internal UUID01a0ae92-89da-7ad8-803b-7c6e13b307e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072775
StatusPUBLIC

Content hashes

Canonical textda70ff44c154d937b58c46e5fbe2ee2b09ad5d09f10b91ba57ff3284a675d2f3
Markdown891c271263984623102c189dfd76ad4d983417891c04e28a2e53d20e3b19cfad
PDF
Publication page3aeb6d99fe5f8f7c815f11dff5c0a348ff254690feff166dab024a0e66f28149
Manifeste512f36dc23b66e015daa67debfd27b7ed83f2716db29119f76af82bdef4f271

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
SignatureVYd990TDt9RYrTXblDhkIuLaWprgmXS7+O0/mD9GRF9jbX4PyxR/pzCJZgP0KO2ZHiGtAfxvHkXidIUQCzueAA==
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

2026-09-17T10:22:41.132467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072775
observed 3aeb6d99fe5f8f7c815f11dff5c0a348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.115318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072775/manifest.json
observed e512f36dc23b66e015daa67debfd27b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.098372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072775/publication.md
observed 891c271263984623102c189dfd76ad4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.078468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072775/publication.txt
observed da70ff44c154d937b58c46e5fbe2ee2b...
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.