OpenTechnical

OT-2026-000100396

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000100396) never changes.

Identity and time

Publication numberOT-2026-000100396 · never reused
Internal UUID01a0aea3-66ee-726f-80ba-d4028c78d97e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100396
StatusPUBLIC

Content hashes

Canonical text1f1c5e4911eba69e65bce96bd5218763712b51f143c576a18c078f0140ccf938
Markdown8279d20684be66a5041e3c938b7c06fab5e854fcd1e4aeff3838d3e2c9767f5e
PDF
Publication pagedc3efe56a6b852c820732a9ea6fcea11607069b21b3b038326c9c8bb6a5c502c
Manifesta4599b0ce1b5de2815d6acf464f22fcf3acfd436b5baa5723e7bd871d44e98af

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
SignatureFdSj7INP2P7pDVNzLlUkTp2VggoR/+LKRN67GjItnZcqxdtFl21rwY4Lxc5ndg3Bgct/m2TdRidnLKaIB/+eDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:07.870647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100396
observed dc3efe56a6b852c820732a9ea6fcea11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.854471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100396/manifest.json
observed a4599b0ce1b5de2815d6acf464f22fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.834838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100396/publication.md
observed 8279d20684be66a5041e3c938b7c06fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.815713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100396/publication.txt
observed 1f1c5e4911eba69e65bce96bd5218763...
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.