OpenTechnical

OT-2026-000027270

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000027270) never changes.

Identity and time

Publication numberOT-2026-000027270 · never reused
Internal UUID01a0ae72-6996-7b30-8ae5-886d68822949 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027270
StatusPUBLIC

Content hashes

Canonical text2b112b6aa80420aef41f6b3f3aee327106423aa6e0eb6266777d3055eed353cf
Markdown5b1085203b821459c325c05a84258cdedc72ab78cdac9c5fd272930e79611443
PDF
Publication pageebb7ecb0aae61a6bd67da2c6ca96997cc9d65c1faa76fc2135d0dd0b2aa0312e
Manifestef83abd75caac7a366989f5a2fb027182647d5f7e7352ac7865079a2f8eaa527

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
SignatureX7wf+kdAlPE91PjwRpAAGMkJD/NkKsDJGAF+DcawqVzmPsrCa7mtuBKbycIaHZh/soOqBOEXOs90DXAwP1kwCw==
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

2026-09-17T11:42:39.206295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027270
observed ebb7ecb0aae61a6bd67da2c6ca96997c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.188851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027270/manifest.json
observed ef83abd75caac7a366989f5a2fb02718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.172400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027270/publication.md
observed 5b1085203b821459c325c05a84258cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.153751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027270/publication.txt
observed 2b112b6aa80420aef41f6b3f3aee3271...
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.