OpenTechnical

OT-2026-000088538

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000088538) never changes.

Identity and time

Publication numberOT-2026-000088538 · never reused
Internal UUID01a0ae9b-8f0e-79dc-bd60-4be82ad896f4 · 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-2026-000088538
StatusPUBLIC

Content hashes

Canonical text26719586aba02f72952c8f612f75fdb175378dc3a865f3a99cb337df8987c44f
Markdown4c2a53e2a559ce2c2b34e51468f42ac7da7ed407393c09783043e9cc3266e784
PDF
Publication page08acee509dcf084368d4ef30fa43f4a751234f37242a3798e5a7ba33953d9eb8
Manifest4749284459a9f9252c757f8a82726caeda46c3a5bdc19db2e9c36d4ab4297f61

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
Signature4GRJXU3C0JFONAz64RlGcUrC9gZqsjy1/EOP33eVkZU/e0MKsJb4KLsLsNn2j9p0KthF0wcmJc7lLxWSLZFcAg==
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

2026-09-17T09:47:42.357097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088538
observed 08acee509dcf084368d4ef30fa43f4a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.339324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088538/manifest.json
observed 4749284459a9f9252c757f8a82726cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.322428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088538/publication.md
observed 4c2a53e2a559ce2c2b34e51468f42ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.304212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088538/publication.txt
observed 26719586aba02f72952c8f612f75fdb1...
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.