OpenTechnical

OT-2026-000055999

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000055999) never changes.

Identity and time

Publication numberOT-2026-000055999 · never reused
Internal UUID01a0ae87-0a4a-796d-97ea-87b2f475841c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055999
StatusPUBLIC

Content hashes

Canonical textcfe6c5c6ff28e02a78fedac9b3754435c9adcf1e00cb923687ae490d78ac3c3c
Markdown0b7280b105486fb365e375d9a3ef6d1d995bf7de8a49a33e6116cad3e381af87
PDF
Publication page745bdb72d7b9d4c1dd42457bee497593c02e2e56060a036eacb87d6acd5f465e
Manifest7ae5fb11064e7b032ddc13003dd99f73d833292bb640f6bb3fda28a2a1aa8b0d

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
SignaturexJ0e9+hv+6lipiIbrIUYDcwQVEomPcBmHVqv7qv3fyeARHkt+AH/6mL3dyT8ARUjyYDdkWn5PYupsLBYRo9pDQ==
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

2026-09-17T10:51:31.429638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055999
observed 745bdb72d7b9d4c1dd42457bee497593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.410768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055999/manifest.json
observed 7ae5fb11064e7b032ddc13003dd99f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.393903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055999/publication.md
observed 0b7280b105486fb365e375d9a3ef6d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.375861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055999/publication.txt
observed cfe6c5c6ff28e02a78fedac9b3754435...
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.