OpenTechnical

OT-2026-000023512

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000023512) never changes.

Identity and time

Publication numberOT-2026-000023512 · never reused
Internal UUID01a0ae70-7269-79ab-9b33-e339a3b97302 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023512
StatusPUBLIC

Content hashes

Canonical text805ff31fa7995921c8078dbdc5e5942fdc7bcf9234bd25f7fd432518ee2542c8
Markdown8c552c2edc909e17b52da564247633e6773191a10714951956f16dff20835eca
PDF
Publication pagea87d716e7f6e253c9458d004ef7205c3ed3042740e0e58a7184d50f220326f84
Manifestc87ace748f84ec1d0c99150edb6854c22b5c43fa2659a955f9f4cec6d66753c5

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
Signaturepg8I0EcjUFC3qnTe5fctFHxKRxkYxN5cyQ0XHqlIiApokoF+o0JeDRRscWZ+pejBRDnsxuGno0Q9VSAFui7gBA==
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

2026-09-17T11:51:44.903540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023512
observed a87d716e7f6e253c9458d004ef7205c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.882678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023512/manifest.json
observed c87ace748f84ec1d0c99150edb6854c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.863872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023512/publication.md
observed 8c552c2edc909e17b52da564247633e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.845251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023512/publication.txt
observed 805ff31fa7995921c8078dbdc5e5942f...
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.