OpenTechnical

OT-2026-000037203

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, on a tool changer

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-2026-000037203) never changes.

Identity and time

Publication numberOT-2026-000037203 · never reused
Internal UUID01a0ae77-7741-7b45-ba5b-3af719bca233 · 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-2026-000037203
StatusPUBLIC

Content hashes

Canonical textda6b176d87dc4c810ace2c2c6dbb607f7ab339223e0877cad54ca046672177ca
Markdowna6a85bf80e56f4507aff326f1aa88a7b139fa4e9116b12474406a5dd1ea59b59
PDF
Publication pagec85a30792f03b42ddc3058ea6ed33bb6b76f3c4755448bf3f2928bf735332b31
Manifestba50786d51fcc686e19b5af82258d65549ae20b803c92dd1ee89a757c52886f0

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
SignaturertFINPeV0Fz1EfDf51tcAUedLVTWIzcR1zkj2cNbP097prujNfmDPX/7Fi/+vmlruw1c2U6DDL9C4aplUj0iDQ==
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

2026-09-17T11:25:05.354981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037203
observed c85a30792f03b42ddc3058ea6ed33bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.339995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037203/manifest.json
observed ba50786d51fcc686e19b5af82258d655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.323820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037203/publication.md
observed a6a85bf80e56f4507aff326f1aa88a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.308815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037203/publication.txt
observed da6b176d87dc4c810ace2c2c6dbb607f...
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.