OpenTechnical

OT-2026-000059759

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000059759) never changes.

Identity and time

Publication numberOT-2026-000059759 · never reused
Internal UUID01a0ae89-ec25-7900-915d-50ddc1706e7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059759
StatusPUBLIC

Content hashes

Canonical textbedf3a9c182fd32f0e36ba06745542bc584658da8d87c52a75a7dc03896714b4
Markdownf8cc56b8aebff73bdc39548703cc9192b0c4858ec2466d21b5727638edc91637
PDF
Publication page007ce4bc2e0242baa6df9a793a18c2bbe1d01ecc19fe57d5683f97407e49baf2
Manifest9b5d8fc3ae84c01a9a8e00c831ab755ad1f0d395edaa8040dce6f51b2696266f

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
Signatureh/cQkxTf7chIIs+gYccw96F8haz2hUmL7DOf+COW6cRvdUIS5wP2hBRNJ0ACJw7xwuzb0Ra3vlgJb1+HXvKQAg==
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...

Independent retrieval

2026-09-17T10:44:29.027087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059759
observed 007ce4bc2e0242baa6df9a793a18c2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.011145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059759/manifest.json
observed 9b5d8fc3ae84c01a9a8e00c831ab755a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:28.994741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059759/publication.md
observed f8cc56b8aebff73bdc39548703cc9192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:28.977414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059759/publication.txt
observed bedf3a9c182fd32f0e36ba06745542bc...
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.