OpenTechnical

OT-2026-000084142

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000084142) never changes.

Identity and time

Publication numberOT-2026-000084142 · never reused
Internal UUID01a0ae98-5b5f-7781-a7ae-59225e75a72f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084142
StatusPUBLIC

Content hashes

Canonical textbef530275549d65446d7ec474328e098f3ee6997b9d223112dd3dbcb0ef1c8dd
Markdown2df2b7bc24a12617921d7e09f49345e1c0b83661fb998587376a5d710495698e
PDF
Publication page31b0f1e19276725377b6de15cd9a2a91b9f874ed0cdb6f6ff3e6642e8835c2cf
Manifest4a0376dccdcd4a1b2d22da551965e4c24822901167c1ffeb85d506d1ada40615

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
SignatureAGts8g2FnvzCcbzSlgKVsUkUp0gr26KrTSbJm7btvcgN7Rgvz3IvXCzJq6wTeBx123ZjevB+W66qh4YQzvHPAg==
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

2026-09-17T09:55:54.517741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084142
observed 31b0f1e19276725377b6de15cd9a2a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.501193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084142/manifest.json
observed 4a0376dccdcd4a1b2d22da551965e4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.484274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084142/publication.md
observed 2df2b7bc24a12617921d7e09f49345e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.466902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084142/publication.txt
observed bef530275549d65446d7ec474328e098...
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.