OpenTechnical

OT-2026-000081604

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000081604) never changes.

Identity and time

Publication numberOT-2026-000081604 · never reused
Internal UUID01a0ae97-0f72-7194-9761-5806b3e15495 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081604
StatusPUBLIC

Content hashes

Canonical texte5363f1306a640ebb19e2b8d5f992d735406a37d0c3e9919802f979fdc92c3a8
Markdownd8742140fbdf16e4a1afbab4fe7c9902d04f1d0df1902a31ba05b7256eea8abc
PDF
Publication page52edefb5162b4d2ee1872a334e3799c37972a2eff365047e7ce67530978d556e
Manifestcc9ff191d530024d269a066cba7fde47b273c686b29486d22852ec4c8cef7afd

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
SignatureaxEQXQXXMoQD3mqTDG9XqRwxK/1lj5zEQ44lnwwW1UoIVcr96UiRss4wk1ek/J71UaZprawu7oB5733Ls7DiCQ==
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

2026-09-17T09:59:38.561419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081604
observed 52edefb5162b4d2ee1872a334e3799c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.543006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081604/manifest.json
observed cc9ff191d530024d269a066cba7fde47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.525698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081604/publication.md
observed d8742140fbdf16e4a1afbab4fe7c9902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.506978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081604/publication.txt
observed e5363f1306a640ebb19e2b8d5f992d73...
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.