OpenTechnical

OT-2026-000043696

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, pulsed blow-off 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-2026-000043696) never changes.

Identity and time

Publication numberOT-2026-000043696 · never reused
Internal UUID01a0ae7b-92d1-79d2-8898-defc9dba3be5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043696
StatusPUBLIC

Content hashes

Canonical texte1ce9d345d24b164d95ab924511012c02538a6579bca82d84b1a9c228d7b6f40
Markdown77acc36b8c7af92fd0683140da2664a2ee897e180f0275aa7b4cb856451a67c6
PDF
Publication pagedd68ddbcc92011e5154d964b519401919c7aba44bd419f56e34e34af40eacb91
Manifest616ff28191ea2a496d67ff0d4f8e75a3ee21dd6ef8b2439f68cf1e9c81e6376a

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
SignatureocHZKIr+9wUD9C0r6nzgSwwjHX8j8x4IWEURErjLM1V1jfftj/dNvmH2QHfZApPWVnX9heZv34/mnruc0oCYDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:11.436869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043696
observed dd68ddbcc92011e5154d964b51940191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.418364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043696/manifest.json
observed 616ff28191ea2a496d67ff0d4f8e75a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.399498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043696/publication.md
observed 77acc36b8c7af92fd0683140da2664a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.381776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043696/publication.txt
observed e1ce9d345d24b164d95ab924511012c0...
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.