OpenTechnical

OT-2026-000011297

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented 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-2026-000011297) never changes.

Identity and time

Publication numberOT-2026-000011297 · never reused
Internal UUID01a0ae6c-5410-7f84-9e73-3e3868932c63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011297
StatusPUBLIC

Content hashes

Canonical texteda1131002af49ee11be771611a78f043c6c412e0d55c92f9314d90ab697606c
Markdowndf6a7bf743ac0ada2d8aed4c95a089cfd6c5777c61de1fa15689084338099c4b
PDF
Publication page8e6477c993c4edbab0e566db5318f324b8e8659701c81a0ee35a125371c33d19
Manifest669faf49a798b07edac83c31f85dc8b7cd3939ac5a1d836a84c4ea7f64a5ae0d

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
Signaturewl6eTUBEvjMjCs9Hi9leZeFzRU9L2BdpiF8xrWaC1tZECS9fS0AKhOxxHXFerQt1ZBpsWiEVu4ULCQ5VswrbCA==
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

2026-09-17T12:14:16.339410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011297
observed 8e6477c993c4edbab0e566db5318f324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:16.316841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011297/manifest.json
observed 669faf49a798b07edac83c31f85dc8b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:16.295016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011297/publication.md
observed df6a7bf743ac0ada2d8aed4c95a089cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:16.274219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011297/publication.txt
observed eda1131002af49ee11be771611a78f04...
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.