OpenTechnical

OT-2026-000053619

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053619) never changes.

Identity and time

Publication numberOT-2026-000053619 · never reused
Internal UUID01a0ae85-0a95-7962-b433-bdbeb2a3f488 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053619
StatusPUBLIC

Content hashes

Canonical text70a22dfb6c88b7b46c6913c362561478f6d1cb31dd4db6fe2c941e81e379bf29
Markdownd77cdc65bc80ec53807d612145c65421e53089cf11c346257c068ccffc5bf138
PDF
Publication page73f5d750ce21a1939086f9f4732289c42e6507198820e049dbd7a879d6f9dfb7
Manifest7327d57059d388bda7b1368f6edfaa11ef975756ff56eae98182c45ebc911bcd

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
Signature4P8KmYs9FdHrzwSkHvlh0uhiReyZtdoWWQQDtGl8z1Kby7t5WBHs9MW6PUkYzLnTYCeLOINhCzcwVICpXTxWAQ==
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

2026-09-17T10:55:29.829287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053619
observed 73f5d750ce21a1939086f9f4732289c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.812079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053619/manifest.json
observed 7327d57059d388bda7b1368f6edfaa11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.791923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053619/publication.md
observed d77cdc65bc80ec53807d612145c65421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.773796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053619/publication.txt
observed 70a22dfb6c88b7b46c6913c362561478...
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.