OpenTechnical

OT-2026-000088857

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088857) never changes.

Identity and time

Publication numberOT-2026-000088857 · never reused
Internal UUID01a0ae9b-8f10-7451-a5c0-b33515c36545 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088857
StatusPUBLIC

Content hashes

Canonical text2d606412d8739674dcc662be326b5bcec0890a908c9fc092559fc1bec31c00a7
Markdown8f2c98f1c992a8430b718a5c5a71bb5020b48371f611d823b6f7eb7891ab9a3e
PDF
Publication page12109646c00925de8961e4b946d7bbc1630cfac69d2d4c9937d53009d24a05e5
Manifestd1393680f8106a101f5ce16d0f2fa7241185aec853fcbb1382df68a4bbe33486

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
Signaturejz5+9brG0DrcAhM5baDQGUnQT3C7U7AJtUBQgKPu7GeozwHFRxFutrY5FNVE2MAS5ZG4bhY50AhJgu206XP2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:15.027433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088857
observed 12109646c00925de8961e4b946d7bbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.010087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088857/manifest.json
observed d1393680f8106a101f5ce16d0f2fa724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.991448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088857/publication.md
observed 8f2c98f1c992a8430b718a5c5a71bb50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.956605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088857/publication.txt
observed 2d606412d8739674dcc662be326b5bce...
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.