OpenTechnical

OT-2026-000080711

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, sustained blow-off 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-2026-000080711) never changes.

Identity and time

Publication numberOT-2026-000080711 · never reused
Internal UUID01a0ae96-b973-7f14-85a6-76c929e85e92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080711
StatusPUBLIC

Content hashes

Canonical text2cb8bd13ab215b4cb4ea77ae5e2d7b8715deb306a186b864acf4dbd6c4226f2f
Markdowndaecb42ab8c3dfb31ebb25acc76469c45e513222546e7ade062a369a3a248695
PDF
Publication pagee16fb43d63bd85ee3f283a20361386d504b96c5a8c93ebe5e22a6380ffe12611
Manifest8b9a5ca7c9e9e6c49205b82b00cf3252131db63fce9ea3afd1e239eff1f5564a

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
Signaturemd6zt7H1P05qOsPcDrkT3Ry108ilSfjfvyl4OwIbk3qTzPj8VFxp2epGvz5ugPjfJ+Z9CFPc+SJbTQl29cgrDw==
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

2026-09-17T10:01:44.623644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080711
observed e16fb43d63bd85ee3f283a20361386d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.606275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080711/manifest.json
observed 8b9a5ca7c9e9e6c49205b82b00cf3252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.587595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080711/publication.md
observed daecb42ab8c3dfb31ebb25acc76469c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.569226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080711/publication.txt
observed 2cb8bd13ab215b4cb4ea77ae5e2d7b87...
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.