OpenTechnical

OT-2026-000055883

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000055883) never changes.

Identity and time

Publication numberOT-2026-000055883 · never reused
Internal UUID01a0ae87-0a49-7b93-b2c2-ddb942056705 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055883
StatusPUBLIC

Content hashes

Canonical texte0b9673b10620fba36b621f835621f7c1f5f9ff302e222ec287c69c089ca8a0c
Markdown86753530d53bdd06670994df0399d7fec48ff53205862927394e058328e35745
PDF
Publication page8a08d127a92d304c0d188addde99c12ff1109c46063f191bf3a9b751cc64e3cd
Manifest3bc6cfb1b775a2e2b9dc72e485d3badb523256e40735959f3a311b54772edc41

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
SignatureNCd3Yq5WrU4h5o3HelnrBRWKukSZP5SGSkZDedVQ7MaDTg4BubeyYZq8/6MFPgBiPBH4nb+CiZnvj1DS82jCCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:17.206715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055883
observed 8a08d127a92d304c0d188addde99c12f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.189115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055883/manifest.json
observed 3bc6cfb1b775a2e2b9dc72e485d3badb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.171488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055883/publication.md
observed 86753530d53bdd06670994df0399d7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.154658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055883/publication.txt
observed e0b9673b10620fba36b621f835621f7c...
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.