OpenTechnical

OT-2026-000044588

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, pulsed blow-off after set-down

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-2026-000044588) never changes.

Identity and time

Publication numberOT-2026-000044588 · never reused
Internal UUID01a0ae7c-39d9-77d0-856e-ba10648f7153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044588
StatusPUBLIC

Content hashes

Canonical text17f9fa862d8a1fec13adf2c1a8636fc272c0d73e704614160fd5a54d850634e7
Markdownf1e672ba123d3ebf5c8e2cbc6333c49e8b7353e58cd29c8f03623c8f8074adb4
PDF
Publication page7b2bc24ebd46bd1e81e4ee8c502ba4a6f6b9494224929d097a6a2eec5bbeb3d8
Manifest188fe952a63fb4a576f60a4c4891dd8476f2304c2a85cd2efcb54da139d05a1f

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
Signature5+KwOI5zjI0lmQZw8ykiyv8N4P55cRtOLnlFQNBh4Jp4/TNAeeK7LRTCmEqfFH8mWWVXT6dUeCOcGhoRYGAgCw==
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

2026-09-17T11:11:48.617462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044588
observed 7b2bc24ebd46bd1e81e4ee8c502ba4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:48.598224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044588/manifest.json
observed 188fe952a63fb4a576f60a4c4891dd84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:48.579659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044588/publication.md
observed f1e672ba123d3ebf5c8e2cbc6333c49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:48.559711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044588/publication.txt
observed 17f9fa862d8a1fec13adf2c1a8636fc2...
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.