OpenTechnical

OT-2026-000009419

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, sustained blow-off after set-down

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-2026-000009419) never changes.

Identity and time

Publication numberOT-2026-000009419 · never reused
Internal UUID01a0ae6b-7561-7e2c-b8d8-fc5cd405c3a1 · 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-2026-000009419
StatusPUBLIC

Content hashes

Canonical text73bc8e824d69ef9ec59d68fe92f44cdde51fc679198e422f94a4ceb6d2005edc
Markdownbccbd39ff22e36febeee4cfb6e2fb57e4e03eacaa691df6d658c86d338a1f5bb
PDF
Publication page3735f44a3070426d32058f0a7d710ec8d64b478d1be87144c08935824eaba4af
Manifest4770f5bcc7da82e1199b3c74c90c21e5d6b62d41984b0f1d19b532ce88e7ffdc

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
SignaturewiS0VxdGZO7WlCYey964JYFI8cIeBuzzQ3/CMzgRHroTBD19iVzD7wYTST94Q9XOFqfCf+7g2P7AvduboDXSBQ==
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

2026-09-17T12:16:42.259262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009419
observed 3735f44a3070426d32058f0a7d710ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.240472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009419/manifest.json
observed 4770f5bcc7da82e1199b3c74c90c21e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.220933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009419/publication.md
observed bccbd39ff22e36febeee4cfb6e2fb57e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.201580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009419/publication.txt
observed 73bc8e824d69ef9ec59d68fe92f44cdd...
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.