OpenTechnical

OT-2026-000064440

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000064440) never changes.

Identity and time

Publication numberOT-2026-000064440 · never reused
Internal UUID01a0ae8d-a461-7ab8-ad06-9f5c4d477358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064440
StatusPUBLIC

Content hashes

Canonical textb7f92a17569f5ab5162fabf0fcd764fd00d48056bc35995f2be209abe8decf26
Markdown5c173e1a92edf6b8ccf7c9e5a7750799cf529b7e2dd00d7f66909cfac3ec002f
PDF
Publication page1804b1d928c987797fb5822e4ff964f6f1e0cccaef8e955ade8f74a6810f3825
Manifest06ad56135d0c35b509d8498211243ccf4798f3bbbf1ca0722ad6175f81d8a433

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
Signature2QHAAtEkwpzmujgMQLSRzHYXA5QXpFkwgInS2PYu6FQFXPoOI4j73NAgAQlS99wbS9gjLh487CIbfSFGhXS1Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:37.545227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064440
observed 1804b1d928c987797fb5822e4ff964f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.528125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064440/manifest.json
observed 06ad56135d0c35b509d8498211243ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.509472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064440/publication.md
observed 5c173e1a92edf6b8ccf7c9e5a7750799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.493160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064440/publication.txt
observed b7f92a17569f5ab5162fabf0fcd764fd...
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.