OpenTechnical

OT-2026-000045957

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000045957) never changes.

Identity and time

Publication numberOT-2026-000045957 · never reused
Internal UUID01a0ae7d-8f89-7a34-aed9-94595992bcb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045957
StatusPUBLIC

Content hashes

Canonical text790d726d52c418fd82521c5bd65644d6ace1a808c8e10c1d361356b74e20378f
Markdown28b10d4d450bfd775698d6d53e0cf65acd4548d1e64453ae5c13239a67aeea90
PDF
Publication pageb3b03a7f12174c9975fc657f2ad057b5a908e4096189134ad19ff4a466b34804
Manifest6640d7ea8f798bdaa12ae7219c70068c0c7c6f6f5bc070155246cba77576ab71

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
SignaturebxzUq+8o+0maoXj4Vx+STboT/29GqiXOJgNa+nQVxv70nyMmCleU8xdOxHc4VOhbB9g8/5FQLmu9fIaqJYT2Cw==
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

2026-09-17T11:09:52.434145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045957
observed b3b03a7f12174c9975fc657f2ad057b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:52.414672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045957/manifest.json
observed 6640d7ea8f798bdaa12ae7219c70068c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:52.396432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045957/publication.md
observed 28b10d4d450bfd775698d6d53e0cf65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:52.378640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045957/publication.txt
observed 790d726d52c418fd82521c5bd65644d6...
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.