OpenTechnical

OT-2026-000037229

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000037229) never changes.

Identity and time

Publication numberOT-2026-000037229 · never reused
Internal UUID01a0ae77-7741-773e-948e-1c0c89da7f2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037229
StatusPUBLIC

Content hashes

Canonical textdd54c4af2bdfeb40964dc92e13c12a655c934457845446a649e6e71844601e22
Markdowne65611140ffa8eef79246e0816573358ed2d7281eadd55807ca9616573c148a8
PDF
Publication pagecac2ae7a8a5cbb2bf30a0963a5490d0e941167824bab0dc68994b084f0168095
Manifest039db75c64d25bd75dd25057dbd387e5138c335bd14b57930c5a76a5a9743c62

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
SignaturepJX1R5YVEfi+eeGuZiKwOCNrvj7ZkQ7TpCjyJcylfLimvHU6iSEm043bTssWpEWAXHg0OKFKzDgPWrM5TFhoAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:25:07.473975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037229
observed cac2ae7a8a5cbb2bf30a0963a5490d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.456588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037229/manifest.json
observed 039db75c64d25bd75dd25057dbd387e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.437925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037229/publication.md
observed e65611140ffa8eef79246e0816573358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.419370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037229/publication.txt
observed dd54c4af2bdfeb40964dc92e13c12a65...
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.