OpenTechnical

OT-2026-000057032

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000057032) never changes.

Identity and time

Publication numberOT-2026-000057032 · never reused
Internal UUID01a0ae87-d5b6-7178-9fbd-7e383b2cc298 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057032
StatusPUBLIC

Content hashes

Canonical text788dddeef34da661d4a1bef376eab082d7fe1e4216131868754b999058cd6268
Markdown5d41f076040d05668108e98d5be62c10cbf95b06c6248e68e12221d82c4eae3f
PDF
Publication pagebf6942e6746713e9bb78e962ddf759dc8eeb4f01c017c28cf38bfad6c2fc8e1b
Manifest940fc1dc6b890ff7e0e3f53cf475ea0496ac900c994488d92de89c37640f09a7

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
Signature3J2ZWysVwLLHyVaQZzI87JfljqiiUizZPcU25Of+8iuuaNXguqkE7mWdRL9mlceLoeqLQD3YbiMjOd3d7xAdBw==
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

2026-09-17T10:48:30.814186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057032
observed bf6942e6746713e9bb78e962ddf759dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.797742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057032/manifest.json
observed 940fc1dc6b890ff7e0e3f53cf475ea04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.780259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057032/publication.md
observed 5d41f076040d05668108e98d5be62c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.761984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057032/publication.txt
observed 788dddeef34da661d4a1bef376eab082...
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.