OpenTechnical

OT-2026-000074013

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold 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-2026-000074013) never changes.

Identity and time

Publication numberOT-2026-000074013 · never reused
Internal UUID01a0ae93-2b8f-7e93-bec5-074759a0221b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074013
StatusPUBLIC

Content hashes

Canonical text33d2b1b9b901e9fadfdc8add5e44fd39b4f75b75ed0fb0b7539af1137fdbddc0
Markdowna4a663028945ebd552ca5e49cf0885326a89fa0770178f7cbee8772900bd4a71
PDF
Publication pageb640ed77887566b3e2d5e2ff0d8828bd8d99b5544423b9f75b729cf24fda2335
Manifest10e1095f53a69d0856c0a46e8417ccd4d92519e0447ed3ac46e7d7dedd371bd7

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
SignaturergTE/wZ8zr324FOqJ7bEVYfMByg4nsFgBs0cgbKwqwoHGjW++4MjKSscRyhuq5j9GfoWrQk7uC2Jq/GDQAZADQ==
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

2026-09-17T10:20:18.733675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074013
observed b640ed77887566b3e2d5e2ff0d8828bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.711189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074013/manifest.json
observed 10e1095f53a69d0856c0a46e8417ccd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.691974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074013/publication.md
observed a4a663028945ebd552ca5e49cf088532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.673256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074013/publication.txt
observed 33d2b1b9b901e9fadfdc8add5e44fd39...
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.