OpenTechnical

OT-2026-000070707

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000070707) never changes.

Identity and time

Publication numberOT-2026-000070707 · never reused
Internal UUID01a0ae91-8c2c-77a0-a0ea-fda276be5723 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070707
StatusPUBLIC

Content hashes

Canonical text82db185a5f6f0dda2906a226af5b4dc9be5b2c22c521d2e6def19c2432a68f95
Markdown75a9b67026bf70f0afc5c5fa53846d083c067d2196ed6672b5304424fadb9f6e
PDF
Publication page89e3022278ce807cebc733aea5df8efe6f71c559c4dabd63c99c9d5ebd6fa475
Manifest9ce39a015610709b941dad454a99db295b72dfcd378bd6025d840cbe71795e55

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
SignatureUCwmnzczDRcTHN0aJuiRmRmujnMHsNvW8ZBhegJpDlvv2F1G2gTnA1DeN6rM93kz6L1bbB81q+tEJaWQdBlvDw==
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

2026-09-17T10:25:23.579064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070707
observed 89e3022278ce807cebc733aea5df8efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.561288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070707/manifest.json
observed 9ce39a015610709b941dad454a99db29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.543563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070707/publication.md
observed 75a9b67026bf70f0afc5c5fa53846d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.526564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070707/publication.txt
observed 82db185a5f6f0dda2906a226af5b4dc9...
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.