OpenTechnical

OT-2026-000027593

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000027593) never changes.

Identity and time

Publication numberOT-2026-000027593 · never reused
Internal UUID01a0ae72-6999-7cd6-abbd-357bfc7a2131 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027593
StatusPUBLIC

Content hashes

Canonical text17746424d8f60e4f0e23a01b616fda3bb6a0b641f6ad348767c96b48d694be48
Markdown9e9884ba87e82781d05ff0824c844dd6bce78bd3ad692112e324e9e9076e9acd
PDF
Publication page9daa735de5ed7f681d0916137bae4cf789e1cc8247316e3ab7dff77a952ebb9a
Manifest8355773ad4dfcf511252ce25867ddcac5bfd4270821eb06a002021fd438e5b72

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
SignatureNQPcDwSbth/7YP/t+GV+N0zE9wPPsK0orbbps9ZzTFvdj8FJs/mZyl+1TK1WQApj597IGUg80uzw7duuR7NQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:05.413643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027593
observed 9daa735de5ed7f681d0916137bae4cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:05.396264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027593/manifest.json
observed 8355773ad4dfcf511252ce25867ddcac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:05.379738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027593/publication.md
observed 9e9884ba87e82781d05ff0824c844dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:05.361683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027593/publication.txt
observed 17746424d8f60e4f0e23a01b616fda3b...
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.