OpenTechnical

OT-2026-000039612

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000039612) never changes.

Identity and time

Publication numberOT-2026-000039612 · never reused
Internal UUID01a0ae78-d8d4-7dc5-a9f2-0e3ab8f0678f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039612
StatusPUBLIC

Content hashes

Canonical text2f7156216521910d7d4fe69d8537946dbb7886c7b881bc60ac7f607d3a449f6f
Markdownb556675f0963315991efd843035b69182183a794bae2c3d771d6299f76bc6daf
PDF
Publication pagecceafbde1eb78285c17aeb69dcae3f468fd7b83d648e0fa74749270ddb5ee3b6
Manifesta16742c53b8385f84a55d1988ccec4d2e0ffb4965ea279c7080b1fa03c6efcc1

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
SignaturebFFKTxm4whdsTqqddpHc5+nNIoOJkSsELinpiPRLtlhTTdjmFjMv6ZNlU3XngdXED6DPmMIYKSJW/XE3pGfxAw==
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

2026-09-17T11:19:46.614830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039612
observed cceafbde1eb78285c17aeb69dcae3f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.598932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039612/manifest.json
observed a16742c53b8385f84a55d1988ccec4d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.580557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039612/publication.md
observed b556675f0963315991efd843035b6918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.562977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039612/publication.txt
observed 2f7156216521910d7d4fe69d8537946d...
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.