OpenTechnical

OT-2026-000054773

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold 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-2026-000054773) never changes.

Identity and time

Publication numberOT-2026-000054773 · never reused
Internal UUID01a0ae86-1285-75e3-ab16-d1e4740a4637 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054773
StatusPUBLIC

Content hashes

Canonical text7befb8701387c41fdded006c45f311abbd6fac096fb0c8e82fbdeee119842e6a
Markdown2af6d4721c4cd12f8d6d79b652b0be5ddf5825f0ffcafa35b795ccf420e5b1e2
PDF
Publication page50170086df2a680383086e914d46a27e36f23398f512acd84d58663d6f29cd51
Manifestb9f6fcd8c9e7ad454f4f017859e77a8bb762c7438f62d220ad998773e3f07704

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
SignatureIUxsg2ttTmM7cH/Q/BM6hO2YN3aKGfZl/5LDAfMDKjufVhCu7aH4xx/f2S3LvUjMPM3OfBb3IRlUFGyUNtW9DQ==
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

2026-09-17T10:53:58.068423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054773
observed 50170086df2a680383086e914d46a27e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.049612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054773/manifest.json
observed b9f6fcd8c9e7ad454f4f017859e77a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.030303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054773/publication.md
observed 2af6d4721c4cd12f8d6d79b652b0be5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.011473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054773/publication.txt
observed 7befb8701387c41fdded006c45f311ab...
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.