OpenTechnical

OT-2026-000042706

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000042706) never changes.

Identity and time

Publication numberOT-2026-000042706 · never reused
Internal UUID01a0ae7a-c0cf-7b21-853d-2bddf9b37804 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042706
StatusPUBLIC

Content hashes

Canonical text6e3fc7736df2c7e6e98565e0b6539abd560e084020031cdef161969174fa177b
Markdownc998f596e091c2536a10430ab27db8ea4b0a0075b338b9b95e9918f129a0b3d4
PDF
Publication page6de247b16bf7ae99fd6efd6fe6671ad6f55da6a1f72374e5009209f2159b21f8
Manifestf4c24140a5747abea5538810d006a30990b476c133dacc08053f4c15ce0fa2da

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
SignatureaON4/4d5dUMQei19RUOV1RwvRn8BMkxeCYenuV3sC3T25SVfZiROMisHdhs2o+nBQ/mQvBo+OYchi13qb9toDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:04.034100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042706
observed 6de247b16bf7ae99fd6efd6fe6671ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.012747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042706/manifest.json
observed f4c24140a5747abea5538810d006a309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.991330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042706/publication.md
observed c998f596e091c2536a10430ab27db8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.970245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042706/publication.txt
observed 6e3fc7736df2c7e6e98565e0b6539abd...
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.