OpenTechnical

OT-2026-000073619

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000073619) never changes.

Identity and time

Publication numberOT-2026-000073619 · never reused
Internal UUID01a0ae93-2b8c-7f60-b839-8dcb14c896a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073619
StatusPUBLIC

Content hashes

Canonical text2953c4c44d3fa6631ddc50c8e785745a59c0da58625e85ae659ffd662d8a1cd2
Markdownddca4873814792e3a3a660571c46481f74555abf0cc208df8dbe02f23169ac89
PDF
Publication page379fbf99f405372620bbf73049c66dffc0dee9023cae513b22dd4f14534f5e11
Manifest7a30c3c474829107ddbe659c2da5e4861747449c2ffb249b1a9d18f43bb53134

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
SignatureynJeBrpiLunka9qGvUiRwz7uobK3TmrDZJasCyyqBvQvXbq5WmFpSmDjlKee/xXbHGbtClfQuEy049RkZr42DA==
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

2026-09-17T10:19:39.495924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073619
observed 379fbf99f405372620bbf73049c66dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.479387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073619/manifest.json
observed 7a30c3c474829107ddbe659c2da5e486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.461075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073619/publication.md
observed ddca4873814792e3a3a660571c46481f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.444351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073619/publication.txt
observed 2953c4c44d3fa6631ddc50c8e785745a...
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.