OpenTechnical

OT-2026-000037199

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000037199) never changes.

Identity and time

Publication numberOT-2026-000037199 · never reused
Internal UUID01a0ae77-7741-7021-aad4-e1be8081460f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037199
StatusPUBLIC

Content hashes

Canonical text967bb3dc44827beefb0b4dfd421958adcd8f3547a43c20d81417a8cf4cdebdef
Markdown4d27f8dce88afdf16e55bb02da8ba18fa8a738a23bd13430b6a609f191e2fa88
PDF
Publication pagecb49db56a019d93586d8dd24f9a0ef0da7a1827b24f71ccb5d44ac4aad2dd25c
Manifestf80b9951d4450f07919d71443bec39f6ba838cdea5c0762ad88cca99af3c31da

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
SignaturehIbFBCCb87ybZilm7AVZr75Uk49iCObzsFmX6TaQQIIwvHodAA5YN1ij2Rjog7TfRHC0zZAK64ckVuho07VsAw==
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

2026-09-17T11:25:05.087902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037199
observed cb49db56a019d93586d8dd24f9a0ef0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.072108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037199/manifest.json
observed f80b9951d4450f07919d71443bec39f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.056383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037199/publication.md
observed 4d27f8dce88afdf16e55bb02da8ba18f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.040294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037199/publication.txt
observed 967bb3dc44827beefb0b4dfd421958ad...
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.