OpenTechnical

OT-2026-000077712

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000077712) never changes.

Identity and time

Publication numberOT-2026-000077712 · never reused
Internal UUID01a0ae95-2ecf-7dde-b8d1-b45cd0019317 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077712
StatusPUBLIC

Content hashes

Canonical text67edd5464f210c7fed1c892d767ec6ad296cfb32c67d371dbbd7f7fe1c917426
Markdown636082457aeab21148a3523c9a2eba3a83978cb351a112a1d435d35f9db19069
PDF
Publication pagea833f5350c4c1bb2f0b7125c29d4935ea214e3b7fe982f5ee353d7385b2e64bc
Manifest444040ac50a7da93a1f1f92f2576adc240e914c1dcdc20c81c4c61f352f71f4e

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
SignatureHxibmtUNt6YGCGtUQ3Xh+DfKRt8L5TGl82N/bm1wClzMVFTwkatvozCdE0Gro0T9We3YL/vw/UXiCsvGozZlDw==
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

2026-09-17T10:07:17.162824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077712
observed a833f5350c4c1bb2f0b7125c29d4935e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.142999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077712/manifest.json
observed 444040ac50a7da93a1f1f92f2576adc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.119930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077712/publication.md
observed 636082457aeab21148a3523c9a2eba3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.099725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077712/publication.txt
observed 67edd5464f210c7fed1c892d767ec6ad...
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.