OpenTechnical

OT-2026-000089486

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000089486) never changes.

Identity and time

Publication numberOT-2026-000089486 · never reused
Internal UUID01a0ae9b-db02-7dba-bada-e3b585ef7120 · 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-2026-000089486
StatusPUBLIC

Content hashes

Canonical text9b097063a99c0328fdefa55a4affcbe6763437bf855bac418c801d29da9e1a4f
Markdownfb248fb31ed99f2988af7a068874449f98e98aef0af42d84b2b9e80e90efddf8
PDF
Publication page8e3b5c5ac3dc6f8144a61e0cffd03b226ccc9dc1fd4e8d27f93e589bb3038def
Manifestbfe33154fe4776be84d4c6425c70ed517db67066ee66430c0bcd4b489b912fde

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
SignatureDedKzRafK38/mcKxx5WY6/k8u8XBHHlXtW0GOE6OAOrdbwLkwsWHfeLgryhF3F5RLdWJIyzqsNm9Ymu9ML7YCw==
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

2026-09-17T09:47:38.215480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089486
observed 8e3b5c5ac3dc6f8144a61e0cffd03b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.197864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089486/manifest.json
observed bfe33154fe4776be84d4c6425c70ed51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.180666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089486/publication.md
observed fb248fb31ed99f2988af7a068874449f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.163322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089486/publication.txt
observed 9b097063a99c0328fdefa55a4affcbe6...
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.