OpenTechnical

OT-2026-000027920

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000027920) never changes.

Identity and time

Publication numberOT-2026-000027920 · never reused
Internal UUID01a0ae72-a4a5-7020-972e-3ce50e2bbdb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027920
StatusPUBLIC

Content hashes

Canonical text34fa22231b056ad2bdd449d1fe5327703b4ca8650bb9ce0cf23c55e3133808bb
Markdownd410811c8fa501ae328d9a47b80c77f75e97aa21782d6681b483a41dc567d76e
PDF
Publication pageb60ce73c0721468cc06c7e38b0f4380ef49018898a244c886d55a72700fb5b55
Manifestc8248fe1607949f767146668fb5b23e52299330b15e9a33048ff2445b071813f

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
Signaturehg+7zIs26hphSsxTgT48+yEfrxmkzHMhGqEk4yOb0K9nVQCTlGx8hq54xJbbTEKvIrODlQnY27bB5VtSSDTvBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:05.860623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027920
observed b60ce73c0721468cc06c7e38b0f4380e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.839741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027920/manifest.json
observed c8248fe1607949f767146668fb5b23e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.820135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027920/publication.md
observed d410811c8fa501ae328d9a47b80c77f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.804084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027920/publication.txt
observed 34fa22231b056ad2bdd449d1fe532770...
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.