OpenTechnical

OT-2026-000054005

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000054005) never changes.

Identity and time

Publication numberOT-2026-000054005 · never reused
Internal UUID01a0ae85-b3a7-7600-b286-dd74be5aa42f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054005
StatusPUBLIC

Content hashes

Canonical text182a52b7f3fe3ed26041b1f9bd2a855530645404ded7e21eb949fc8b8df6a0d5
Markdown14d76b9e85fe565c82bab4d550b429f819dfaa3a9cb14b66339d22b1960cacbf
PDF
Publication pagec766e64fa4952a40684ceeb11e95bdb505abdea6586549abf5eb90fcc793fd51
Manifestc4556957ed5100834ae1db79584147985155480220a4ee0980263c440734b42f

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
Signature3H1OQKZXkT9ZzQsWYmDLsLHKyoKloDAqVJerflCSP7GIQbDXXrz7aAEPTOPQ6fk8ifwBv9yWgc0Zq1TYbl9rAA==
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

2026-09-17T10:54:20.467891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054005
observed c766e64fa4952a40684ceeb11e95bdb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:20.439030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054005/manifest.json
observed c4556957ed5100834ae1db7958414798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:20.411695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054005/publication.md
observed 14d76b9e85fe565c82bab4d550b429f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:20.379276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054005/publication.txt
observed 182a52b7f3fe3ed26041b1f9bd2a8555...
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.