OpenTechnical

OT-2026-000009391

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold 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-2026-000009391) never changes.

Identity and time

Publication numberOT-2026-000009391 · never reused
Internal UUID01a0ae6b-7561-7535-9ebb-d5517503be7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009391
StatusPUBLIC

Content hashes

Canonical text948f8ff30433ef8b25ef43468b5bb3d0f2bcd3e9a547bff8834abefed1d3df96
Markdownb65b04506abf3b8f4beebed948890fe54773a088db299eb96d7fc7b62dcb231e
PDF
Publication pagef829b8dcdc8d0f9890a3f9fe67bd30e96af4a6ea4a41a00698b3a3aad6ed46b9
Manifest38f548d3708fba9e84a01a4f9f7ec3c439fefd5ab35aa6a89cc6fe6bf94070c2

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
SignatureZhYDf2AHPPvtwr+zjWgRkx9i+u4k8IrKzCLjfohHNIYAei7YY39BUmhVw0P7x159Jp4iE+IdGXq1HM0hhP5HBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:40.039885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009391
observed f829b8dcdc8d0f9890a3f9fe67bd30e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.022763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009391/manifest.json
observed 38f548d3708fba9e84a01a4f9f7ec3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.004083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009391/publication.md
observed b65b04506abf3b8f4beebed948890fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:39.984069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009391/publication.txt
observed 948f8ff30433ef8b25ef43468b5bb3d0...
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.