OpenTechnical

OT-2026-000068660

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000068660) never changes.

Identity and time

Publication numberOT-2026-000068660 · never reused
Internal UUID01a0ae90-2483-7b92-9a53-644a31f91cb8 · 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-2026-000068660
StatusPUBLIC

Content hashes

Canonical text9fd06bb226e1ef8a7c5894a9ddcbbde0c6fd571887de941ab123702beabc6e3b
Markdown4e30facc35066caa71a30f4163bf0599150bd1c71bd623c03778f6a07749e214
PDF
Publication page680189442aea986bc191ee7d400caa4512d0613ef0c3136ea069b06bbd0bb46e
Manifest2258bb555411be0671175aa8ac0159fd2fc97fe71b1660d5633ff6972ceebd25

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
Signatureyn8r+VPOqZzL2yxdwmXqsKtMU6aBfOznY9rse9SzzCmJDzAl1Ow8QpFVxAo8xQCTtHpy649V8BhI0LctVGsqBg==
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

2026-09-17T10:29:51.469811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068660
observed 680189442aea986bc191ee7d400caa45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.451537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068660/manifest.json
observed 2258bb555411be0671175aa8ac0159fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.434308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068660/publication.md
observed 4e30facc35066caa71a30f4163bf0599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.416483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068660/publication.txt
observed 9fd06bb226e1ef8a7c5894a9ddcbbde0...
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.