OpenTechnical

OT-2026-000088573

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000088573) never changes.

Identity and time

Publication numberOT-2026-000088573 · never reused
Internal UUID01a0ae9b-8f0f-726b-b139-2c643b139db4 · 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-2026-000088573
StatusPUBLIC

Content hashes

Canonical text0cb52029d9a219f3a2b98e68e73531f934a3596f7ff25302a71f4c7f1188ac70
Markdownaf5fa5451a9f651ac8dcb841c36e73c38cf82868aebaf1ea8820f004fbcb6763
PDF
Publication page4915eb217248bed9fe9b4cf500423877bb001d9876d2e0c509ae333a0cfcee91
Manifest881db7adea4da87ada57384100b5a1241d9f73434f7f09b0fcb8ef95381adf3d

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
Signature48dAvORLckRn4GSo8W6nM1P+L6DiQgi0XYFx6k9mDSg4j87MEjbMp/cPyMdpLc1utYYoOW4WgZpavBLzufRTBg==
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

2026-09-17T09:47:45.620689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088573
observed 4915eb217248bed9fe9b4cf500423877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.604111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088573/manifest.json
observed 881db7adea4da87ada57384100b5a124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.587424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088573/publication.md
observed af5fa5451a9f651ac8dcb841c36e73c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.569750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088573/publication.txt
observed 0cb52029d9a219f3a2b98e68e73531f9...
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.