OpenTechnical

OT-2026-000056443

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000056443) never changes.

Identity and time

Publication numberOT-2026-000056443 · never reused
Internal UUID01a0ae87-4bd2-7612-9608-790b3e9a7714 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056443
StatusPUBLIC

Content hashes

Canonical text6136613624e7c6f62badd90313bb8ebc311383f9294d336773396b610c4589f6
Markdownade71b530c063801e5a70ce665737037932079968fe12bac63e591b3cd9f2cc8
PDF
Publication pagec20d2c747addd302f9a8c6b5da16154148c8366b6e216a427ad9231445763259
Manifestdf6212599beaf12414b09d474058fb58fc56518650c9299dc45c7aae2c19c6ed

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
SignatureZoEngAJrtFaLZrDohrbphf3tL3EXlzQHS6geM6qt8u+xREzLNw33ho/xOzfbWSqft9/dEtNaACTcxUqVU//QDg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:58.668942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056443
observed c20d2c747addd302f9a8c6b5da161541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.652266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056443/manifest.json
observed df6212599beaf12414b09d474058fb58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.635463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056443/publication.md
observed ade71b530c063801e5a70ce665737037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.617798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056443/publication.txt
observed 6136613624e7c6f62badd90313bb8ebc...
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.