OpenTechnical

OT-2026-000055559

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000055559) never changes.

Identity and time

Publication numberOT-2026-000055559 · never reused
Internal UUID01a0ae86-a102-770c-afe4-e29cffea70b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055559
StatusPUBLIC

Content hashes

Canonical textb46402394296e63781fa41fec5a5c58e41429cd288558230b8910ef574f2fd42
Markdown1e694d59340d443774b3185af1b24722913dd79f48dd72fef99ef05d3ee612ba
PDF
Publication page9f8db59c5c0b11dd262ccd5d7a0a2c3d4b1633424e8fe48b876e426b7354c6d2
Manifest1f30cf3ab01fa80826d1413b6b7c715e187dee4c9f492c172d9d4bbdb1354736

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
Signatureg3mULifqQze+m8zAyfyOkA3D/KG+xJwHfdgxxd8HiVxikdzr5Ud8mOrjkgmsTsMeQ2EgDCoF0RN1Crknc+TQDw==
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

2026-09-17T10:52:47.587120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055559
observed 9f8db59c5c0b11dd262ccd5d7a0a2c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.570652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055559/manifest.json
observed 1f30cf3ab01fa80826d1413b6b7c715e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.552077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055559/publication.md
observed 1e694d59340d443774b3185af1b24722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.533119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055559/publication.txt
observed b46402394296e63781fa41fec5a5c58e...
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.