OpenTechnical

OT-2026-000068943

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000068943) never changes.

Identity and time

Publication numberOT-2026-000068943 · never reused
Internal UUID01a0ae90-6dcd-76ba-8741-ebc39aa9cfc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068943
StatusPUBLIC

Content hashes

Canonical textcbe9bdc23a18b8dd1e84aaa6f45b4832ed5b4f9fc94180bd7037d788bff77e84
Markdownb47c602e3792315fd4704e0590d79808488227c92dc79d15200f3da7555d9481
PDF
Publication page02cebb3c1df5ba4c1a42befeb9fb3014a7a4b4b21d205123d7dec18e9cb529e9
Manifest5ef0b2be7c9ecd81bd53690b5de8d4e0424e8c36398c7be0c8f9eb1ad499a690

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
SignatureHXKoqD5pnuqETbkP6rcwaoSYWmznChjWxwvXVRcQsPZUA2ZjpNtyhdQ5yTAEuorSqZi4hsebIve0VsKTDWTzDA==
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

2026-09-17T10:28:46.688011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068943
observed 02cebb3c1df5ba4c1a42befeb9fb3014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.671349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068943/manifest.json
observed 5ef0b2be7c9ecd81bd53690b5de8d4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.654155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068943/publication.md
observed b47c602e3792315fd4704e0590d79808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.637969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068943/publication.txt
observed cbe9bdc23a18b8dd1e84aaa6f45b4832...
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.