OpenTechnical

OT-2026-000007166

Publication integrity record

Vacuum cup gripper, pump fed, pressure verified, contact triggered, rubber cups, flat form

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-2026-000007166) never changes.

Identity and time

Publication numberOT-2026-000007166 · never reused
Internal UUID01a0a975-17b5-794d-94ab-7ee78bfb1791 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:38.425381Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007166
StatusPUBLIC

Content hashes

Canonical text7adb78320fb06c59dd9a6e6c83d8647edc53c5cb88e902459dfe425266616a40
Markdown88b96e3178707d9b11e33b83002f8046f71ebb001340a50be15edaac5e15bb8c
PDF
Publication page38fa66b45751bd6e61428e9601389137878bc2cfa75eb2bbc12a8a4b5633c0b0
Manifest8792d843fa7e8223ad0cfa7edd39889b0e623130e87520bad68aa8a1054c0110

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
SignatureKB7/XsWAZSExGHqSsfAS08jSkmIlkDrv5ZxspHZ7Q/ltlF9pjloRqg5ZwnoRS/MFkgdv5wln7alqz+DrmqPrAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:19.976639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007166
observed 38fa66b45751bd6e61428e9601389137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.963473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007166/manifest.json
observed 8792d843fa7e8223ad0cfa7edd39889b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.949857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007166/publication.md
observed 88b96e3178707d9b11e33b83002f8046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.937205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007166/publication.txt
observed 7adb78320fb06c59dd9a6e6c83d8647e...
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.