OpenTechnical

OT-2026-000019754

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000019754) never changes.

Identity and time

Publication numberOT-2026-000019754 · never reused
Internal UUID01a0ae6f-1fb4-72e0-9b16-82ec7da266e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019754
StatusPUBLIC

Content hashes

Canonical textbc434ea3b5c1458c3c609533d337a8ba68c8f928a9f8862874d9e4cae68e3d6d
Markdownc4f7fa381900fc6c4caaf9b7a226821eaff244ebe42e97c32f4080043ce96107
PDF
Publication page6e380fa500671ed76c732825449240663a225d5a72da9a06d6df471f7240eca2
Manifestfc8aa4185f2d4973d92edecce551477b33f71511f487ac918f8182bb6e8fea92

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
Signature42Qdo8+3dhighQ3Vs7AeWYlh0ydj4I9OxoqdNR326ZO4fowQk4e5nev7TvE3T/rfQHRvMYUYhR/uZYmY73Q9Dw==
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

2026-09-17T11:57:51.095680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019754
observed 6e380fa500671ed76c73282544924066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:51.079005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019754/manifest.json
observed fc8aa4185f2d4973d92edecce551477b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:51.062695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019754/publication.md
observed c4f7fa381900fc6c4caaf9b7a226821e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:51.045395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019754/publication.txt
observed bc434ea3b5c1458c3c609533d337a8ba...
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.