OpenTechnical

OT-2026-000068684

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000068684) never changes.

Identity and time

Publication numberOT-2026-000068684 · never reused
Internal UUID01a0ae90-2483-7afe-8696-5d8f72f1881d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068684
StatusPUBLIC

Content hashes

Canonical textf1679ee20598115f532d94215cc7b2188bd445edacc7c64b70056de6fd3cb456
Markdownbb50340a1a7388a004bbd741cbb4667d324ce0d9581dd0d8f014be04ae669ddb
PDF
Publication pageefbae16033f14dca580e9b89ba0aae034bfafd5ee4fd02922b7baf4820150779
Manifest4955d4bf8b972f307c1b9931f0fa82b45c00984cb40d23ba9ce3058b65afc4d0

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
Signature8U0Y8/nchBX+1De+oEHqfY5Y/dw3Q74kNfs4YBMZ7NoNH9skxpADl8MyihXokBn9Fkeot24kOzIshvHXtbIqBQ==
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

2026-09-17T10:29:53.207547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068684
observed efbae16033f14dca580e9b89ba0aae03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.189189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068684/manifest.json
observed 4955d4bf8b972f307c1b9931f0fa82b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.172614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068684/publication.md
observed bb50340a1a7388a004bbd741cbb4667d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.155659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068684/publication.txt
observed f1679ee20598115f532d94215cc7b218...
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.