OpenTechnical

OT-2026-000063755

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000063755) never changes.

Identity and time

Publication numberOT-2026-000063755 · never reused
Internal UUID01a0ae8c-f946-7ec7-911c-76ff58b6809e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063755
StatusPUBLIC

Content hashes

Canonical textfe422ee1ba92b9b2032c219faa8a82bc2274eb2f861cf5c4031316fe67ec176a
Markdownc6c86e1cb9f41f80a36d909dae367cff417b996162102356ac49406144471457
PDF
Publication page3f7fe1aadcdb9de9795f3961f7a54d368c1a1a5919eb1bb06cbbe256239165ac
Manifest4b657b629ece80c802601aecc12cb536bd08664466f5b04a0587376767f6e1bd

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
SignatureJY9+CrYeWNh9szjm7mSWw90hBSxu4s7WHKNFEuyRva51TrPLhKQbHkpbYagrx/+iXSDI8oA51GLForRkl3W4DA==
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

2026-09-17T10:37:53.478367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063755
observed 3f7fe1aadcdb9de9795f3961f7a54d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:53.459534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063755/manifest.json
observed 4b657b629ece80c802601aecc12cb536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:53.441113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063755/publication.md
observed c6c86e1cb9f41f80a36d909dae367cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:53.423197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063755/publication.txt
observed fe422ee1ba92b9b2032c219faa8a82bc...
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.