OpenTechnical

OT-2026-000048565

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048565) never changes.

Identity and time

Publication numberOT-2026-000048565 · never reused
Internal UUID01a0ae80-4de7-79b5-a52b-1fc93e827c3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048565
StatusPUBLIC

Content hashes

Canonical text79bc1c89bcac26c70ebaaf15e5fb914eef61c3dfad6c1378536aaf298d0981dd
Markdowndc24154b8f9b2a8b6f18ec34d1ae780a16d3392bd4758900c15c6cc28ce7ce9e
PDF
Publication page8577551f7100d8b1af83e4f38e4926d223dc713cf3a4a43a5cd519dc184caabb
Manifest7d4d33515770fdc6d6cb81a276ae93ff59c7600be288c98c5f52e54af043f2ed

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
Signature3fiWkJPaNxi8U+WjZ4IMeNV+qSNVLCk6bGuEci6YZebFDhnY7gjls7cegNqiEuBFCqU/rdLQ+AThhXnN14/mDg==
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

2026-09-17T11:05:21.964929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048565
observed 8577551f7100d8b1af83e4f38e4926d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.943829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048565/manifest.json
observed 7d4d33515770fdc6d6cb81a276ae93ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.924641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048565/publication.md
observed dc24154b8f9b2a8b6f18ec34d1ae780a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.905320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048565/publication.txt
observed 79bc1c89bcac26c70ebaaf15e5fb914e...
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.