OpenTechnical

OT-2026-000057543

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000057543) never changes.

Identity and time

Publication numberOT-2026-000057543 · never reused
Internal UUID01a0ae88-2693-7ab6-96b7-81b3e5808f22 · 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-2026-000057543
StatusPUBLIC

Content hashes

Canonical textb2b7e62634834f8aac457697203576e77c290b38f0e492c39f7210ec2809e4ea
Markdown66804b30d97dfbf73cf9699392b6393380b727431dd486e76d17221859560175
PDF
Publication pageebca2ff711af695d84b8047cb31b46487eebb703e006d8ba8f21465ff7e9397e
Manifestda0f53fe600ed3487e01e0b70f478faa0013ea9a66419783ccfb984919bbc9a7

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
Signature8wBoFjyFva/W7RXumpEPGq4Vvg+M6p5iXOm3xJvpffiZkskoViP+9VU24MOyjw8B3wwqE0VIJgzQPLdMdsE1CA==
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

2026-09-17T10:48:04.928256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057543
observed ebca2ff711af695d84b8047cb31b4648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.910974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057543/manifest.json
observed da0f53fe600ed3487e01e0b70f478faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.892773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057543/publication.md
observed 66804b30d97dfbf73cf9699392b63933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.875974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057543/publication.txt
observed b2b7e62634834f8aac457697203576e7...
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.