OpenTechnical

OT-2026-000012646

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000012646) never changes.

Identity and time

Publication numberOT-2026-000012646 · never reused
Internal UUID01a0ae6d-5561-73cf-a541-74dcbe14f500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012646
StatusPUBLIC

Content hashes

Canonical text4f2dd75a9de6075a42589d9a5c1b3b04283f2aef305b8bcb29237b47b2109958
Markdowne3d55a93d9d9f00107a1a5311ccef4f6aebbf7096114691b8c94b050569ac77a
PDF
Publication page145691bb055f5868863d6bc009939c6cee35d224531d604b261e8a546f1bcc5a
Manifestf0a4d1da0ab296844b015b040e6c29dc1b2a342817036ab303dd86a55c2c7de5

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
SignatureWKisW9aoK5hjaq+nfE6oe1/NOviaoF3skac/5fDv0KdNIVA7gNx7YucibLwL8cvVh3FpxHXn4K8/Mtc2eqrtAA==
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

2026-09-17T12:10:16.699915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012646
observed 145691bb055f5868863d6bc009939c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.680637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012646/manifest.json
observed f0a4d1da0ab296844b015b040e6c29dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.659925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012646/publication.md
observed e3d55a93d9d9f00107a1a5311ccef4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.638026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012646/publication.txt
observed 4f2dd75a9de6075a42589d9a5c1b3b04...
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.