OpenTechnical

OT-2026-000068638

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000068638) never changes.

Identity and time

Publication numberOT-2026-000068638 · never reused
Internal UUID01a0ae90-2483-7f06-9311-caac6340bbac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068638
StatusPUBLIC

Content hashes

Canonical text0c4061ea6d9fddfc29e4e321f8e05fbf83eaf21be3b28ff2c5947c11738b80a0
Markdown60e1f42f8692f5b61538fd2471bbe147bb0fe524bcbb1963ddc60b14fc0c0f0b
PDF
Publication page6d35f93f2f0530a5c0e14e2d03e42347e02fb2875e9849eea211c5870135392d
Manifest804094ab366aaafb79a7d7f7da63caa90a1b2834852692f9e40f623f5a18385e

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
SignatureT36oRIArc1N4AUY/YEWZRerOVjQpJdrt/nlnbyOT8bPuKD5S8ALOfIhiLR68lMLhbbDyGebW6csCwydy8MXQCg==
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

2026-09-17T10:29:49.737336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068638
observed 6d35f93f2f0530a5c0e14e2d03e42347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.718289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068638/manifest.json
observed 804094ab366aaafb79a7d7f7da63caa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.697624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068638/publication.md
observed 60e1f42f8692f5b61538fd2471bbe147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.669696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068638/publication.txt
observed 0c4061ea6d9fddfc29e4e321f8e05fbf...
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.