OpenTechnical

OT-2026-000009475

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000009475) never changes.

Identity and time

Publication numberOT-2026-000009475 · never reused
Internal UUID01a0ae6b-7562-7d2a-b783-8296f0b5e4f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009475
StatusPUBLIC

Content hashes

Canonical text08afed3f2104b2a2eb189e8d5266a4812711a76ff4c285837d49a327da2cd843
Markdown5da0bab12963fb1fce04aed9e627ea92644c29eaacee1eb8dc8378fbc814bbbb
PDF
Publication pagebc5a7d0c5467b2aad9c82fe5cc085dc342e3c217cedd0d8031af44c8ceacfbe2
Manifest859a29255380c2c6f22020cc29b5968a4bf3261d10260f144120a8442512c0c1

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
Signature7AhypzSmP4hrDIJFy1/2wy5AyukMVm1wWcljbvjo9up3KGEki+flUkwQb5WL3A94+p9CcecXslrN276i09aFBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:52.161489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009475
observed bc5a7d0c5467b2aad9c82fe5cc085dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.139915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009475/manifest.json
observed 859a29255380c2c6f22020cc29b5968a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.119000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009475/publication.md
observed 5da0bab12963fb1fce04aed9e627ea92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.097730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009475/publication.txt
observed 08afed3f2104b2a2eb189e8d5266a481...
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.