OpenTechnical

OT-2026-000061396

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000061396) never changes.

Identity and time

Publication numberOT-2026-000061396 · never reused
Internal UUID01a0ae8b-7b42-7b53-94c4-f15fa786ec15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061396
StatusPUBLIC

Content hashes

Canonical text59b508e4066d8eff218fcd51183039b22566aa1780f8d773eef6333a9ec745f1
Markdown4cce5f8acf73b353a88d3888450bad30c25439d8056e502bb5cbea0908a55be8
PDF
Publication pageb78910ea436d17d92c70f40001b9c026d82322d4e33ee94f84da39a54d38e710
Manifest9b27947944ec8aa0d1bcac54e2d2b8a0cf09a74614df3ef1b527c170728df692

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
SignatureVLdDzV1OZLvnKmBLdUmcyrKmpCUFJ5pGpFmOUa8lV8aK2SjL+4h6yjdrSQb5TPrQxDVRjuiiOK4OR8KFsxCYDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:15.489496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061396
observed b78910ea436d17d92c70f40001b9c026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.472094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061396/manifest.json
observed 9b27947944ec8aa0d1bcac54e2d2b8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.451773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061396/publication.md
observed 4cce5f8acf73b353a88d3888450bad30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.432193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061396/publication.txt
observed 59b508e4066d8eff218fcd51183039b2...
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.