OpenTechnical

OT-2026-000060637

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented after 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-2026-000060637) never changes.

Identity and time

Publication numberOT-2026-000060637 · never reused
Internal UUID01a0ae8a-b7cd-7475-918c-12dab2a7f88f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060637
StatusPUBLIC

Content hashes

Canonical text2a821d81ced355bc6eb00f80c8b194f2087e1e6aaaffe714ebda9c3e75b690b8
Markdown0c1a6726b04ef6d0de155092d76606c4d239d42f08d53f8b2057d355b5a816a3
PDF
Publication page87a8b6423ac0be9e49eb412963c645f497abc1d83a761b1ce75d63db2e48c192
Manifestb46fd7fa240cbecc6673d0004512e7a14dd94ef51ff1eb936588ada9ce54e962

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
SignatureeYCHjDBE7GvVvUbVpSSSdwGC2LANniCE/olP0PaZN+btFmwcj/dGzbj6ALl9zbJfTYsqdQiqMdb6VjmYMvpsAg==
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

2026-09-17T10:43:16.016575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060637
observed 87a8b6423ac0be9e49eb412963c645f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:15.998769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060637/manifest.json
observed b46fd7fa240cbecc6673d0004512e7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:15.982509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060637/publication.md
observed 0c1a6726b04ef6d0de155092d76606c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:15.966195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060637/publication.txt
observed 2a821d81ced355bc6eb00f80c8b194f2...
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.