OpenTechnical

OT-2026-000031332

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000031332) never changes.

Identity and time

Publication numberOT-2026-000031332 · never reused
Internal UUID01a0ae74-87ac-738f-8bbf-94d15f3fa7ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031332
StatusPUBLIC

Content hashes

Canonical text8b6c8c420417de6e50468f986104d9a2c89978a66a76aa07cc384ed0e2469f2f
Markdown78b25519ad0c2450d794a11650e3980afaa2ddf2895fa2fd4656b319083ee3b6
PDF
Publication page37dbecacaf690aa14871005eacd2fb18fe5ab12cbcfd1a6177591a3ce359dca7
Manifestb85612c9fb43d47709b6353a7378d5ff4d48dd3a9a39ebc9339c18bf93c5b467

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
Signatures2eCTQr1oBYXThvA7FG7HzjHfpIc/ftgoi3u1WxRBjeTvGPUev6ud0ca75P5Pdnn/u9pK3xxCppxMATeA3OnDQ==
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

2026-09-17T11:36:01.532375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031332
observed 37dbecacaf690aa14871005eacd2fb18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.515607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031332/manifest.json
observed b85612c9fb43d47709b6353a7378d5ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.496857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031332/publication.md
observed 78b25519ad0c2450d794a11650e3980a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.475871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031332/publication.txt
observed 8b6c8c420417de6e50468f986104d9a2...
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.