OpenTechnical

OT-2026-000057647

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000057647) never changes.

Identity and time

Publication numberOT-2026-000057647 · never reused
Internal UUID01a0ae88-2694-77f1-b04d-e0faacfbffaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057647
StatusPUBLIC

Content hashes

Canonical texta091bd782556ca8c6174f8afc5e6bbc321297fda2a66e15d3568fb43a82dd5b5
Markdown49ad160b59ff910e77c774adc86e175cf47a7253b6c97137d9742a5b5fdad7bd
PDF
Publication page7b2f5ffbc3e3c7c2275ba8734f8852d3199bde91c8c5ca8c838f19022527ec19
Manifest3cbf7d0dd3c18bf25417d077396ac93d565b96a044c47fcf184f4139fc2be5d7

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
SignaturecOXa3ecvQrvpxYVVnUjhYMQiGhc7xXmua+KfIj93GQ8cQrVpwlLMG8+qEFm6WLE8z/WJZS6Clpb74xzqsVRbDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:12.760428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057647
observed 7b2f5ffbc3e3c7c2275ba8734f8852d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.743863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057647/manifest.json
observed 3cbf7d0dd3c18bf25417d077396ac93d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.726555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057647/publication.md
observed 49ad160b59ff910e77c774adc86e175c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.709733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057647/publication.txt
observed a091bd782556ca8c6174f8afc5e6bbc3...
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.