OpenTechnical

OT-2026-000007233

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, three stage ejector, pressure verified, plastic cups

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-2026-000007233) never changes.

Identity and time

Publication numberOT-2026-000007233 · never reused
Internal UUID01a0a977-7337-75b1-961f-7979ae18f31f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:06:12.921641Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007233
StatusPUBLIC

Content hashes

Canonical text4f86bd57162475597943cc7c395588b4bcbb4043240020d482ae7384d8acf33d
Markdown8f2c46486150d66d8347d9b216a2edec712f41c69a98d05ca1cdeeaa9d1e1822
PDF
Publication pagedc19ad95a0fd1a1339f44c23fd51e0f93a1f5768f67d09538e290ab38c4a790f
Manifest9825bcbf198717ea8868c920dc532bd7b6bc280d73a5a3bfcae99402d14d7d32

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
SignatureYGPugJTvq5zjYporMu5NUufw8lEPC9VomuDb3xLeFvy5XI6bER40LIoSZGWxUQacmhu7a9xe72q7cL1rwyv3AQ==
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

2026-09-16T09:10:13.244762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007233
observed dc19ad95a0fd1a1339f44c23fd51e0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.233181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007233/manifest.json
observed 9825bcbf198717ea8868c920dc532bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.220572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007233/publication.md
observed 8f2c46486150d66d8347d9b216a2edec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.209115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007233/publication.txt
observed 4f86bd57162475597943cc7c395588b4...
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.