OpenTechnical

OT-2026-000101643

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pulsed 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-2026-000101643) never changes.

Identity and time

Publication numberOT-2026-000101643 · never reused
Internal UUID01a0aea4-0e16-7dca-a48e-a8e4dde3b673 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101643
StatusPUBLIC

Content hashes

Canonical textde50b136f43003a18318dc5f14e820cc6b36efaeb5aebb3424f741aadd230805
Markdownb74ae75d4e1a7fb15c9e6a11e8b1db8549fe007fb5281f7eb52cd2e80bb0cbcf
PDF
Publication paged5ffc9ffbfd247ea7378c59c0cb7133e24f3b6d08f74dbe25f9b6538b26c52c2
Manifest0a12aea529d82af20e5f722a4dbc041162ab10d74dd133d6d2b9f754be00fc11

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
Signature3uE3IOnB+9nnBpMKDuTYOiBJGgbqZEJV8B2+azHywDWJ1NJLEk04f7tX/9qNvPStLwr35UPM6qyxCtbfQ/FsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:46.520852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101643
observed d5ffc9ffbfd247ea7378c59c0cb7133e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.501636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101643/manifest.json
observed 0a12aea529d82af20e5f722a4dbc0411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.481886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101643/publication.md
observed b74ae75d4e1a7fb15c9e6a11e8b1db85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.462595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101643/publication.txt
observed de50b136f43003a18318dc5f14e820cc...
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.