OpenTechnical

OT-2026-000073444

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented before set-down

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-2026-000073444) never changes.

Identity and time

Publication numberOT-2026-000073444 · never reused
Internal UUID01a0ae92-efb8-7c83-acec-73fa38facb2c · 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-2026-000073444
StatusPUBLIC

Content hashes

Canonical textef080d71a6c1c06c17ae31f5e8540dd27324be5145ad7489daedd94f9890bad4
Markdown9ed93cc98d4cef407e295a2b0f6865e8dfb07e1c493822f5b15fbec26f840cff
PDF
Publication pagee09c74de3370c9ca1b03a68033456d06870db2aff4aff1cf3f3c41807ac13267
Manifest3bb090a61d5f9cd653bf03c44c6fec042d722eb8a8ab2ac8d34c3f92119fc013

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
Signaturem6QKlWi75NvtlWmiHoMmKW2Z6i9yuuqxZi/J1vTW+/pZ0J20YAshzuBN04M6F7HHq75uoqHsbtTX9HKzyCy0Aw==
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

2026-09-17T10:21:36.270503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073444
observed e09c74de3370c9ca1b03a68033456d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.252754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073444/manifest.json
observed 3bb090a61d5f9cd653bf03c44c6fec04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.235160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073444/publication.md
observed 9ed93cc98d4cef407e295a2b0f6865e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.216398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073444/publication.txt
observed ef080d71a6c1c06c17ae31f5e8540dd2...
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.