OpenTechnical

OT-2026-000081207

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000081207) never changes.

Identity and time

Publication numberOT-2026-000081207 · never reused
Internal UUID01a0ae96-f373-7417-9915-8e1ec4cf5628 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081207
StatusPUBLIC

Content hashes

Canonical text5384c0b9fc81b2c93c0722e10c83c4991496728bb48df6dffc8ebeceef79bcb0
Markdown0d21fe70cccf11f8a63e58fc346d150632841e5196d0437767162b4edfd44e05
PDF
Publication page390e09848ea6327c3d978a8cd1af82b6439e9c0b7d28bd0c1e9595dc097407e9
Manifest2ba2b49168a56a71db9f2a220aed0b0a93befd49a0c8b48d9152815dfcc161b1

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
SignatureBAv2UAgKqG9KGd/0bTOtsk9E/OKRWdBAMCOsZOeTHVwqMkufXZhzMvCBhAszs6Peee2jMhE5HcSAs4V4OxyYCQ==
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

2026-09-17T10:01:16.926418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081207
observed 390e09848ea6327c3d978a8cd1af82b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.909687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081207/manifest.json
observed 2ba2b49168a56a71db9f2a220aed0b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.891017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081207/publication.md
observed 0d21fe70cccf11f8a63e58fc346d1506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.871917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081207/publication.txt
observed 5384c0b9fc81b2c93c0722e10c83c499...
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.