OpenTechnical

OT-2026-000086226

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000086226) never changes.

Identity and time

Publication numberOT-2026-000086226 · never reused
Internal UUID01a0ae99-e82c-7b71-8c1b-d7f25f3db4d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086226
StatusPUBLIC

Content hashes

Canonical text48836114b736282706878b19f2036d343e3265556552435836b705316ef8a6b9
Markdown4bb859bfe4962c749db34ed024d02570897dc3a98098939fd6e7fc0a6b8f5b3a
PDF
Publication page76ac0b7e65d4da9e76da2ae5f22f393e499b49fe97986ac2605ddd7c0d54e79e
Manifest09450ac87db88529fb50bfe6678bc7cf1b1d422f60150c7c32eacae5b283cf04

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
Signature0/zWlHQ39wJpLRFByxj9TxjZ3N3/B2PeLVCkl4HZTFLQSRh/xuOL0gs6P92dZJCOf1quu0slF+hcJncsm3aCAQ==
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

2026-09-17T09:53:54.732114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086226
observed 76ac0b7e65d4da9e76da2ae5f22f393e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.715849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086226/manifest.json
observed 09450ac87db88529fb50bfe6678bc7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.699962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086226/publication.md
observed 4bb859bfe4962c749db34ed024d02570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.683593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086226/publication.txt
observed 48836114b736282706878b19f2036d34...
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.