OpenTechnical

OT-2026-000033814

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000033814) never changes.

Identity and time

Publication numberOT-2026-000033814 · never reused
Internal UUID01a0ae75-a391-7684-9600-6d5444105125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033814
StatusPUBLIC

Content hashes

Canonical textf737f90204592958d3309440f76bc48425db6792874e1e3785cea31392db908b
Markdown64bc77b83871956ca1da51384edc344c22524bd16d7ac2eb827219a8ef74a17e
PDF
Publication page9d6f3a0f33104e681a23d3ac86b09ec8f1d06b901c5d92081aff2a3f98566a6d
Manifest33c79f9ca1788eaabd0993ea08b396242373ad81cd39a752f6fafa16b91dff23

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
SignatureDw98dych9Ca87Pq/Zsg3TjK6vjcUc/2Bvxk8eb0sOt3cIBMUkQnJj14iXr4z/qerIzn5kBOYd3M3mEG3iwtSAA==
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

2026-09-17T11:31:51.660443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033814
observed 9d6f3a0f33104e681a23d3ac86b09ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.641778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033814/manifest.json
observed 33c79f9ca1788eaabd0993ea08b39624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.622598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033814/publication.md
observed 64bc77b83871956ca1da51384edc344c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.602339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033814/publication.txt
observed f737f90204592958d3309440f76bc484...
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.