OpenTechnical

OT-2026-000077761

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000077761) never changes.

Identity and time

Publication numberOT-2026-000077761 · never reused
Internal UUID01a0ae95-2ed0-7da6-94a7-b85fb775c9c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077761
StatusPUBLIC

Content hashes

Canonical text8d12c8543a9a94a3542b07b65c458d90d1c8e37b895af36fc0a8ec4a01df12db
Markdown054bdda5f5ba3d8cdc3a4f318403cb1c0c15982ab9c48f112261512dc81bc42a
PDF
Publication pagea306d7097008dafab878e9a26ac11c9cdd6a9d0374d52eb372a0b33a06e42472
Manifest0eefd243b8fdbfebc0b91d11865bd36c971ca663408faa79205bbdc682bd6939

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
Signature0w1JE/Eab8HPiAgqwLHj47b1iRHA5aSnNt8O1cwH5k+nejxFtpJjs/ZnE4XsyDmejU6Pn3iYu0xgtSFS24DgBg==
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

2026-09-17T10:07:20.647968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077761
observed a306d7097008dafab878e9a26ac11c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.629170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077761/manifest.json
observed 0eefd243b8fdbfebc0b91d11865bd36c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.608866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077761/publication.md
observed 054bdda5f5ba3d8cdc3a4f318403cb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.590464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077761/publication.txt
observed 8d12c8543a9a94a3542b07b65c458d90...
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.