OpenTechnical

OT-2026-000086431

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, sustained blow-off before 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-2026-000086431) never changes.

Identity and time

Publication numberOT-2026-000086431 · never reused
Internal UUID01a0ae9a-2c97-795a-a4f7-8499abe34c54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086431
StatusPUBLIC

Content hashes

Canonical text7a0ccf395a8be27a334d9b9bd19b15639de513bf94b083bb63fb9552b90fcf76
Markdown1ee859415dc2d05e0c39eef6aa2166dddd5675bf8c4f2f993f793804037e3ae1
PDF
Publication page7ce961965f97ed9521c241fa1b1c0721177316281540e2de0ecb99dafdfba7cd
Manifest1d1daa074f672d6ce01293a7c6f5ce36b968cbd27fee335e394d5afb923bb928

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
Signature9DFo17X1HZYM+/HIIsouW0fpB2QaThgCgb2LjYexGncVtGiwEi7CCBj8ZDbPi7Ltr0zPainNFi/KxH/pyoiaCg==
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

2026-09-17T09:52:13.693698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086431
observed 7ce961965f97ed9521c241fa1b1c0721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.674893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086431/manifest.json
observed 1d1daa074f672d6ce01293a7c6f5ce36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.658364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086431/publication.md
observed 1ee859415dc2d05e0c39eef6aa2166dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.639282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086431/publication.txt
observed 7a0ccf395a8be27a334d9b9bd19b1563...
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.