OpenTechnical

OT-2026-000089670

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000089670) never changes.

Identity and time

Publication numberOT-2026-000089670 · never reused
Internal UUID01a0ae9c-1a22-744f-88e6-a1f005f448a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089670
StatusPUBLIC

Content hashes

Canonical text3aa280ee535b0386e121437d49ccc465f07662f875132c448576135e0c05b5c9
Markdown91d64622acd1c6a63f678ae21177da51e1124bbcb64c42b35a1fce6644d14ab8
PDF
Publication page17c893f9d46a804abe03b4033ff649e1be7728bb45542680031faaebb1e538e3
Manifest007e19e97b59e4da46b4e066eff39de2504c46aec4386ada9aeef76523bf90dc

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
SignatureSpNypOcuHmtDQ+i951pchPxuuJRacWFkB7vkkQD5V48eRhhbhMz490pp0kT3WVfuAxhZ+P8Oe88ntqYjKH9hDQ==
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

2026-09-17T09:46:39.945638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089670
observed 17c893f9d46a804abe03b4033ff649e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.927889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089670/manifest.json
observed 007e19e97b59e4da46b4e066eff39de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.911265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089670/publication.md
observed 91d64622acd1c6a63f678ae21177da51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.893731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089670/publication.txt
observed 3aa280ee535b0386e121437d49ccc465...
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.