OpenTechnical

OT-2026-000057685

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000057685) never changes.

Identity and time

Publication numberOT-2026-000057685 · never reused
Internal UUID01a0ae88-2695-768e-92de-c9b6767fae7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057685
StatusPUBLIC

Content hashes

Canonical text49d93ad9de523415b0a2227baca0dfc7a36c516966a1099bc19bd1a9c81815ab
Markdownfb3819e242e86fe3e645b26559749846d5ea9326665830e971263cddb89611c5
PDF
Publication pagec9331016db99e2cb0a92a631d363dba0174688d2981f7390faa2f40cdd237b81
Manifestc8cb19c618c8be5bfa59b1c7d9013d632f01f091f26b8da4b77442ebe3530a98

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
SignatureoOthnqjE1n7md/813nGfQgJVLhSb6kT3zvgp/enuV7goyWfZ8BwrSmVCSIFYYbmT8ZCkiDbNrvMEB+vikNqHDA==
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

2026-09-17T10:48:20.709238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057685
observed c9331016db99e2cb0a92a631d363dba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.690208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057685/manifest.json
observed c8cb19c618c8be5bfa59b1c7d9013d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.671690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057685/publication.md
observed fb3819e242e86fe3e645b26559749846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.653588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057685/publication.txt
observed 49d93ad9de523415b0a2227baca0dfc7...
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.