OpenTechnical

OT-2026-000005970

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three outlet manifold, three stage ejector, 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-2026-000005970) never changes.

Identity and time

Publication numberOT-2026-000005970 · never reused
Internal UUID01a0a94a-db1c-7dbc-ad4d-f9a7288c414c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:17:30.399126Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005970
StatusPUBLIC

Content hashes

Canonical textc329558c6d2f8af36f57d264de4f0e3ca7ece229ced49eccb3657fd702b78f26
Markdown3df1a6af3aad2c650491a50a114cce9220d9a88a58178c905d32c9cad1bec580
PDF
Publication page7564df3e41323470d0effd9b539a3325a65dfe9665605a480920f91b6b12b183
Manifest8f01966a2b5ffabbbd012ee18a7cbc4d6853443a4200daf0cf877af9913ca4b9

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
Signature5uvMYIFyVlUqM9ddOLx69x4QH1wIh6fiaNEtsJP3Z3Zr0JUcijttIhn4SflQf2RPRFGtpE26i/sXoPAPPIhOAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:11.218559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005970
observed 7564df3e41323470d0effd9b539a3325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.203003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005970/manifest.json
observed 8f01966a2b5ffabbbd012ee18a7cbc4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.187877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005970/publication.md
observed 3df1a6af3aad2c650491a50a114cce92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.166507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005970/publication.txt
observed c329558c6d2f8af36f57d264de4f0e3c...
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.