OpenTechnical

OT-2026-000071608

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000071608) never changes.

Identity and time

Publication numberOT-2026-000071608 · never reused
Internal UUID01a0ae91-e0ee-7f56-b4d5-8f593a768cc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071608
StatusPUBLIC

Content hashes

Canonical text382b135a542ef58379c5c51d3640491c26173dbd8dc97e063d75048a76a93542
Markdown19c884ba418fc680726f5529453fd1d9565ecc32b331492e348c962532b742bd
PDF
Publication page2270792f89210415c7376bbe3539e57d05475ab70254b1c506f26bcbaa1a7aae
Manifest11700665951d353419e1f495c07a532d9f32f0f1e9287cec5acf1d50bcd34283

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
SignatureoCNMyEUuH58Pei4fCZ+NEmSjv8Vba1vKUKB1cw9mEqy1B789AMMDfzFrRzp5Tv7VTY1nrQLZucM7C53jyznSCQ==
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

2026-09-17T10:25:15.601423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071608
observed 2270792f89210415c7376bbe3539e57d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.580753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071608/manifest.json
observed 11700665951d353419e1f495c07a532d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.564723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071608/publication.md
observed 19c884ba418fc680726f5529453fd1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.547222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071608/publication.txt
observed 382b135a542ef58379c5c51d3640491c...
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.