OpenTechnical

OT-2026-000061891

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000061891) never changes.

Identity and time

Publication numberOT-2026-000061891 · never reused
Internal UUID01a0ae8b-b8ad-70c9-9a93-bc1a802dfded · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061891
StatusPUBLIC

Content hashes

Canonical text0b81e1ef93e0cf287af1d3bf875aa82c4a001ca0b9139b7b218549b571ab32a8
Markdowna5be6623e4dfb1e05c20f538d09ee92e0543c9ce8a4189295450b04a9b07b23d
PDF
Publication page1eab4dadbfa879188f45e79bcc8e3740e7960f607f598b06022045ea839c6042
Manifest6cd9d4d8a3898be9582c107df9fd0405b94b767fd2f218b8627c5a97a55bcb34

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
SignaturejmUZrqvFQBtm3oOAYDrBs8QdpenIYamMyNzIaPpuNE5n1B7s4KPSmvn1dnSQ36i+T5aYakG7WKK28CQIPFgoCw==
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

2026-09-17T10:40:45.658097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061891
observed 1eab4dadbfa879188f45e79bcc8e3740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.636560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061891/manifest.json
observed 6cd9d4d8a3898be9582c107df9fd0405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.617757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061891/publication.md
observed a5be6623e4dfb1e05c20f538d09ee92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.597656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061891/publication.txt
observed 0b81e1ef93e0cf287af1d3bf875aa82c...
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.