OpenTechnical

OT-2026-000057047

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000057047) never changes.

Identity and time

Publication numberOT-2026-000057047 · never reused
Internal UUID01a0ae87-d5b6-7243-97c0-d101a90b1087 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057047
StatusPUBLIC

Content hashes

Canonical texta5a77c2813e42de2c55415cd976d1eb38dc5da1c801e816c41975f0720d1f5f9
Markdowne0f3c2daaf2e6a92a0616dc2faeae813a8807051377e9ef832abe44efdc2634a
PDF
Publication pagee620390432058f44869154253478214e7f6d2cbdb256e9235aa25512d82c0eca
Manifest7e0013621a0c1594db4f117fcdf86e211d2403f25267dabc85d76663064d7a57

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
Signatureo3E1erHqPxjh23ALrlHRsNhpOkCDTpArBXFIwMKiHeA6X2PzEDOFBoCWQEQYlRVQgEquM5bZcteGSJEIh59uBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:31.908407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057047
observed e620390432058f44869154253478214e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.890763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057047/manifest.json
observed 7e0013621a0c1594db4f117fcdf86e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.873645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057047/publication.md
observed e0f3c2daaf2e6a92a0616dc2faeae813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.856592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057047/publication.txt
observed a5a77c2813e42de2c55415cd976d1eb3...
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.