OpenTechnical

OT-2026-000005336

Publication integrity record

Porous face vacuum gripper, three stage ejector, contact triggered, vented before set down, open cell

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-2026-000005336) never changes.

Identity and time

Publication numberOT-2026-000005336 · never reused
Internal UUID01a0a935-d73a-7710-9c84-0a7277636453 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:33.149496Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005336
StatusPUBLIC

Content hashes

Canonical texta1878491e2baa30cf51427afe6964ba9970ae42c4772ee39df711cab68d5ee2d
Markdown618338110ca3833a488482be29df8a567b714ef279dd4789972cd74dc9987149
PDF
Publication page806c91ca23cda0bc94de76eeaa8c5745ab71383139bea102a6bd11a8aea6baa1
Manifestd04567c08c25588b0071bfcf3bb722556e2fba072de4c9efa1a189a569fb5b36

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
SignaturebHaJDVZDGxIsboacHMMnfR4VNdS4IJ87fio2zUTChjoBOhtcCrIMsfsQDH0Svna++SJHoe8bq1CdlMf2aUzFDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:21.185982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005336
observed 806c91ca23cda0bc94de76eeaa8c5745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.173130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005336/manifest.json
observed d04567c08c25588b0071bfcf3bb72255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.161051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005336/publication.md
observed 618338110ca3833a488482be29df8a56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.147337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005336/publication.txt
observed a1878491e2baa30cf51427afe6964ba9...
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.