OpenTechnical

OT-2026-000100268

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000100268) never changes.

Identity and time

Publication numberOT-2026-000100268 · never reused
Internal UUID01a0aea3-3053-7f81-ba61-48902baf91c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100268
StatusPUBLIC

Content hashes

Canonical textd5d4cca1d201c9c779e6eb15fec1e96768626ead0668102ae54e05cbdb2506a1
Markdownabd12e11f6e6b081069c2013fc7b8e58e04cbd9b5c143e460d38f948999840dc
PDF
Publication page7cf28018cdd614b154c9500d8a42d4f9b26bfa79d8ed1178d6fce5e7defaf44c
Manifest69c2496966745ff71d477fbb0cf5b0be01d2137365e473dc72bd328421c2e35a

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
SignatureIEnyc7IsZnHkg4HbQgmlH3NyCzK0gRawpr/dDLj5SFFxltd+EgTOwbAbTvw6KpDLYEZrIlk+ZlO20HCl9oVWDg==
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

2026-09-17T09:30:04.544352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100268
observed 7cf28018cdd614b154c9500d8a42d4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.524652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100268/manifest.json
observed 69c2496966745ff71d477fbb0cf5b0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.507556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100268/publication.md
observed abd12e11f6e6b081069c2013fc7b8e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.490591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100268/publication.txt
observed d5d4cca1d201c9c779e6eb15fec1e967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.196428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100268
observed 7cf28018cdd614b154c9500d8a42d4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.178994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100268/manifest.json
observed 69c2496966745ff71d477fbb0cf5b0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.160640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100268/publication.md
observed abd12e11f6e6b081069c2013fc7b8e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.142574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100268/publication.txt
observed d5d4cca1d201c9c779e6eb15fec1e967...
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.