OpenTechnical

OT-2026-000099646

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000099646) never changes.

Identity and time

Publication numberOT-2026-000099646 · never reused
Internal UUID01a0aea2-c976-7386-82cf-d0e788c91f4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099646
StatusPUBLIC

Content hashes

Canonical textde97536914e11366ddd5a33b3b3951cb3545e82002e3a12398953ae5deaeb6e6
Markdown233853a74912173d6184c5f3b8538a1ac2b77947f3642f044ca199bbd4fd9e10
PDF
Publication page596a8283ce8959cf5c0e70e0db1ad052e80b03d5ee4f28eeaea1a35ed48421ae
Manifesta21d720452a9196e104358d3c72eb6e356563ba26fdfe77d2c60e523f4604f16

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
Signatureakkemn/JsZr4ZwYl26zxBCbUUz4Sr/44Cx1BurY3sDbGTgoQTZBhUIkCSwo7D90XzYQQpTiZsnEQSvgJdDIJDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:35.140280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099646
observed 596a8283ce8959cf5c0e70e0db1ad052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.120611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099646/manifest.json
observed a21d720452a9196e104358d3c72eb6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.101793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099646/publication.md
observed 233853a74912173d6184c5f3b8538a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.084801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099646/publication.txt
observed de97536914e11366ddd5a33b3b3951cb...
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.