OpenTechnical

OT-2026-000089379

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000089379) never changes.

Identity and time

Publication numberOT-2026-000089379 · never reused
Internal UUID01a0ae9b-db01-7220-b204-9d06afbe68e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089379
StatusPUBLIC

Content hashes

Canonical text77e35dc80912dc80ba758bdf4666efb807f08771554e6ad913dbe0e07ce7ba79
Markdown47e758913d367db8187cc7608d64c8d59f1f9fd782a53eca2ee29c1c247f610e
PDF
Publication pageee911038b009bdf8bcf851e6563b3f8fcbeedfd866c85bc81832fe8acc9ad2f5
Manifest9670a0cee981d53e3a981396bac86f23499624d3290a7a013a4ba243533d423c

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
Signature8tFqz4cs535q9tDkXgBzSy4WSznr+2dZgHAWEARc88uiL6SpznSy9AgE+mjKmBgDL1vBhl5G/BV8o+0JdqoQBg==
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

2026-09-17T09:47:30.932680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089379
observed ee911038b009bdf8bcf851e6563b3f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.915219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089379/manifest.json
observed 9670a0cee981d53e3a981396bac86f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.897310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089379/publication.md
observed 47e758913d367db8187cc7608d64c8d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.878936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089379/publication.txt
observed 77e35dc80912dc80ba758bdf4666efb8...
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.