OpenTechnical

OT-2026-000102429

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000102429) never changes.

Identity and time

Publication numberOT-2026-000102429 · never reused
Internal UUID01a0aea4-8589-7401-ba22-61745474e444 · 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-2026-000102429
StatusPUBLIC

Content hashes

Canonical text9d4bac54790c2fb281f4fa19a13e00650829e6b817f16ed213115d424e1b1823
Markdownd7605d0b41b52ff8e0cd867273d5b45cbca83c6f4090221d32c993f5ffb80673
PDF
Publication page535ab5e6555155bef2c9e7d7a2bd031da68b90d1366e320dc1865a681e3be6c6
Manifest555e032d857a4a9bf54b65eb6a3227cb0790eb0c4124ebb34c22fce8c1c82e5a

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
SignatureC8bI1995FA6TFUStClAuaDXjUJ7rYYtulNIS9ZTjr47yg3t4dFp20xeb6N+muGdkeQCEBQNJCkh8IN8BqvGsAQ==
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

2026-09-17T09:23:46.364379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102429
observed 535ab5e6555155bef2c9e7d7a2bd031d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:46.345729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102429/manifest.json
observed 555e032d857a4a9bf54b65eb6a3227cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:46.326604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102429/publication.md
observed d7605d0b41b52ff8e0cd867273d5b45c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:46.306263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102429/publication.txt
observed 9d4bac54790c2fb281f4fa19a13e0065...
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.