OpenTechnical

OT-2026-000097600

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000097600) never changes.

Identity and time

Publication numberOT-2026-000097600 · never reused
Internal UUID01a0aea1-92f1-7032-8355-06a336e1ce83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097600
StatusPUBLIC

Content hashes

Canonical text6f58d98bcacfb9a95505581a0d2ffff3c76de0acf18f90aeb1bdc305936219a6
Markdownef3f14572b197c710c77d8e5662b4d365bf05da7da462bb7074d1ac64c62602b
PDF
Publication pageb1dcc7caede2041342da0415da3fb5746c502fefdc1222ef50b1a2e2e26b950d
Manifestbe917de1a54b34de8e72657104c1e66e6c2b092b2471505b67b7fdfdd400c4e4

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
SignatureW5F3zuV1QTgK76Zci0ORgzSk7PP80i5c8KJbqg4ziFHPmyFwQJIBNG+TbYh0zYvCpt4oE68EC8WSq40+c9J+DQ==
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

2026-09-17T09:32:36.393666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097600
observed b1dcc7caede2041342da0415da3fb574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:36.373824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097600/manifest.json
observed be917de1a54b34de8e72657104c1e66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:36.355409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097600/publication.md
observed ef3f14572b197c710c77d8e5662b4d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:36.335612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097600/publication.txt
observed 6f58d98bcacfb9a95505581a0d2ffff3...
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.