OpenTechnical

OT-2026-000102431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000102431) never changes.

Identity and time

Publication numberOT-2026-000102431 · never reused
Internal UUID01a0aea4-8589-7ac3-8737-5cdfab9e6e65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102431
StatusPUBLIC

Content hashes

Canonical textba0aff15261f9ac225db9b10bd34732fb727409543cb4c64ed8f14fc788d82f0
Markdowne27009dfd919dedb138afed3a08d6068160821823977e934dd1b36cb6473f111
PDF
Publication page10aaf3235551b4ad76fdf66c55d4cd44c4af581a1dc5b43524cc2a91dab6ff5a
Manifest32c4a56aeb7b67f2ae229bcbfb575b9f6c965fa2a0aa0c09cd22c43fdaa7350e

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
Signature1bKBVFj+RgbCo8fpYuNotLglpbJkAJoO6pLMvQxBepnUXWWlWx7OMWSG2bKEnjfZMy+TAyyJ00xuOICqhkk2CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:46.522650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102431
observed 10aaf3235551b4ad76fdf66c55d4cd44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:46.504222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102431/manifest.json
observed 32c4a56aeb7b67f2ae229bcbfb575b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:46.485132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102431/publication.md
observed e27009dfd919dedb138afed3a08d6068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:46.463078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102431/publication.txt
observed ba0aff15261f9ac225db9b10bd34732f...
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.