OpenTechnical

OT-2026-000068709

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000068709) never changes.

Identity and time

Publication numberOT-2026-000068709 · never reused
Internal UUID01a0ae90-2483-7b99-b533-e9d935faf815 · 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-2026-000068709
StatusPUBLIC

Content hashes

Canonical textcad577e26d6ebcc7630624bac10fc7ca0d940b3e30a109bc4e4618224e4d419e
Markdowne655753a17472789a5039817f291bd2a86b0dc608d0b4e9b347bca928d2a7cc2
PDF
Publication pagef4b71c70e33822b955bd7a0acf92b8ea720001740d5cb27f55d8989f942f6b29
Manifestc714083481f103bcd3531761fbb4bf108e3fb7ab2dbf192231670685bc5a521c

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
SignatureRZWr8ALuqbahEle6davwCgzY2L4QGg1JiNwcaaKMFb9lPnZdot1s3yTc2RxwChN6DWt3NcCc8JKhbB2UT4F8Aw==
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

2026-09-17T10:29:55.073135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068709
observed f4b71c70e33822b955bd7a0acf92b8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.053843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068709/manifest.json
observed c714083481f103bcd3531761fbb4bf10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.037159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068709/publication.md
observed e655753a17472789a5039817f291bd2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.018254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068709/publication.txt
observed cad577e26d6ebcc7630624bac10fc7ca...
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.