OpenTechnical

OT-2026-000045201

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000045201) never changes.

Identity and time

Publication numberOT-2026-000045201 · never reused
Internal UUID01a0ae7c-f769-7a8e-bab7-40912752d1cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045201
StatusPUBLIC

Content hashes

Canonical text36e6ad07d816665ee56f0fd5a6ee1c22362e89c718d90b014c12e5c97794d4d1
Markdown499c159302372bc5c5d1e410011a8b06946a756a8bd53d764f53b1f54c40aa18
PDF
Publication page79020106f93defa62f408a5c948698179e93d98646a36916a4d06d93de7cc56d
Manifest714fb9a7370fdcc19fdf9ea5015a6ee19b5aa83352e0f3ed4b09f01283ad7895

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
Signatureq7QqJ++gdWrSpQV4UaA79sPfAamhluSLmkXqZMerWCWnXEI/ovDnA0dgdOEV+bXanX7cZcLTLXAlUyO3avnPCQ==
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

2026-09-17T11:10:22.945123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045201
observed 79020106f93defa62f408a5c94869817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.923869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045201/manifest.json
observed 714fb9a7370fdcc19fdf9ea5015a6ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.901812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045201/publication.md
observed 499c159302372bc5c5d1e410011a8b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.880764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045201/publication.txt
observed 36e6ad07d816665ee56f0fd5a6ee1c22...
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.