OpenTechnical

OT-2026-000070490

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented before 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-2026-000070490) never changes.

Identity and time

Publication numberOT-2026-000070490 · never reused
Internal UUID01a0ae91-545f-75d7-ab20-c663e08a1f26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070490
StatusPUBLIC

Content hashes

Canonical text0242a8d3f1f57da558013e961153e93d4f9fd7a9d2b5a4e5d3993f5adcaabfed
Markdown40058327ea35cc322cb998c343b376eca5a94b31726928a56cf1803d42214804
PDF
Publication page449900d1d5bff9659da348b12552498ecb863cf2511bcba5412fe5e27fc84994
Manifest53248d5edcec0dfed5c909887e11aea8e88a2415bd8b46846278dbe53466fe6a

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
SignatureM+olYFBKj8bnNYaFyMBCkRDmg9okQUsbSWHoMih19aPuDOeOVgVjYpn7A6qyHWfDKqnvYkVp1CDvwA9qpr7VCQ==
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

2026-09-17T10:26:19.457694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070490
observed 449900d1d5bff9659da348b12552498e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.441556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070490/manifest.json
observed 53248d5edcec0dfed5c909887e11aea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.424303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070490/publication.md
observed 40058327ea35cc322cb998c343b376ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.407343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070490/publication.txt
observed 0242a8d3f1f57da558013e961153e93d...
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.