OpenTechnical

OT-2026-000057979

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000057979) never changes.

Identity and time

Publication numberOT-2026-000057979 · never reused
Internal UUID01a0ae88-6ed9-73ee-99d5-7902ee6d0928 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057979
StatusPUBLIC

Content hashes

Canonical text8152e00ada9550f36f36f07de13a55f12cdf8dcd0f15a0b595bc82d3fec60386
Markdownc96f3ed74dff7e27468d2c6fa90a2b2f2d27c6d8d553e6bcf4aa2a3f729ad7cc
PDF
Publication page472b219df265c2f2d65a15b042184758403cad0e24e88cc40c6d8bbddda70672
Manifest8cd615fa512132fd581380dff1ad08660e00e219bb3a3619b4b47925706f8ba3

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
SignatureFpWYXHjH/LTpwusU8fPEyjIHZVOm83JA+PeW6shvtUVdEB9ceh6Y22NiUEGf2bhg4ZneBBKT6QGEkcuOUu1iAQ==
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

2026-09-17T10:47:36.308373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057979
observed 472b219df265c2f2d65a15b042184758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.292540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057979/manifest.json
observed 8cd615fa512132fd581380dff1ad0866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.275599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057979/publication.md
observed c96f3ed74dff7e27468d2c6fa90a2b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.256991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057979/publication.txt
observed 8152e00ada9550f36f36f07de13a55f1...
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.