OpenTechnical

OT-2026-000102127

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000102127) never changes.

Identity and time

Publication numberOT-2026-000102127 · never reused
Internal UUID01a0aea4-50f2-7763-bda1-bc34ed56f24d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102127
StatusPUBLIC

Content hashes

Canonical text28cf262c873952613df1e088664bf8ad578913a9141f35b8ef12e099f07ea3ed
Markdownd8c4bdebcf64fd742b79bb6e111532e3241a992c3634fbeb38332ad96377f7ab
PDF
Publication page9c03cc9b94ee9b891e93da5707cd6e51ff8190ac611b5e8b05d227e3d58d73ef
Manifestba6e8d9b592fddd53630b4f1535a4ecbf1e72f93052ade08f97aeb22d85d2c8b

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
SignatureoLWoPOxIpDrHIEy9LaMGxq2BoikLAnOYH3qkq6NtnR1De4OcRJppg8o9PNLjeklbSS3nReLkOBnjQNrRH7dSDQ==
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

2026-09-17T09:25:17.168968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102127
observed 9c03cc9b94ee9b891e93da5707cd6e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.149756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102127/manifest.json
observed ba6e8d9b592fddd53630b4f1535a4ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.131500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102127/publication.md
observed d8c4bdebcf64fd742b79bb6e111532e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.112340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102127/publication.txt
observed 28cf262c873952613df1e088664bf8ad...
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.