OpenTechnical

OT-2026-000062654

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000062654) never changes.

Identity and time

Publication numberOT-2026-000062654 · never reused
Internal UUID01a0ae8c-6388-7266-926b-552525a296ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062654
StatusPUBLIC

Content hashes

Canonical text2605afe92e38dcf39546d272da2bb17276c4500135dcfcc259643237aaac6e05
Markdown20b3e33d5d0e1abdc2face7e25136fbdc20db3388d7d296a808f9113a521e695
PDF
Publication page4ad132015ada3ce49bb47d760a63ce786eef17ec786c217bb4c1b7bb4c284ccc
Manifest57c8b690ca86ea6ea997e7ba037be6153684873bb783bc0cd5521b59f1c8f7b3

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
Signaturejj/RCTj9AotjQxQD1ontQgZFbjQQPh1El/WgCBpj53t5x6jZKd3cbdr7ZoQEvXvvfStZcPNTPzZvLr/1CkKdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:12.468441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062654
observed 4ad132015ada3ce49bb47d760a63ce78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.449910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062654/manifest.json
observed 57c8b690ca86ea6ea997e7ba037be615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.432728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062654/publication.md
observed 20b3e33d5d0e1abdc2face7e25136fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.415252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062654/publication.txt
observed 2605afe92e38dcf39546d272da2bb172...
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.