OpenTechnical

OT-2026-000103813

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000103813) never changes.

Identity and time

Publication numberOT-2026-000103813 · never reused
Internal UUID01a0aea4-e463-7790-9f40-74e852f281d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103813
StatusPUBLIC

Content hashes

Canonical text4a93ebb4a5e3b7b85dbb1ffd9c9ef659c2bde378b220a3e80e070ea95910dca6
Markdown40539bd3a4e80c1da211e327f628228bb36abade3f440a7f577cd674beb1d3f3
PDF
Publication pagef30974ab0e7a00ab9e8363f23b77a2c0fc051e96fe11f0e03b92d207c7b41da8
Manifest9c8bfc2481c78f7c6e06642cc3db0f79c7e6b2daf1e869b44682e8c23838dc5f

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
SignaturedOeLMZRg2S9zv9tPwwmktWfA3Ris/9uPDiLlDvQqvNpYRZugO4s7iiE96CLt9qwCs3JkdKwBIo0WnIZwj4LhDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:46.170407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103813
observed f30974ab0e7a00ab9e8363f23b77a2c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.155437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103813/manifest.json
observed 9c8bfc2481c78f7c6e06642cc3db0f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.141110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103813/publication.md
observed 40539bd3a4e80c1da211e327f628228b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.125991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103813/publication.txt
observed 4a93ebb4a5e3b7b85dbb1ffd9c9ef659...
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.