OpenTechnical

OT-2026-000034831

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000034831) never changes.

Identity and time

Publication numberOT-2026-000034831 · never reused
Internal UUID01a0ae76-1ed3-7e42-b159-65d362c479e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034831
StatusPUBLIC

Content hashes

Canonical text573d1a316039f9b17d5bfa99c3e6894aae275a546007e8853ae6d67fb2074325
Markdownfa9e70996216b0a485f453e19d11a0e3e927db822a1b6b60666d425ecc5263db
PDF
Publication paged079d0faf2a11084f7b77b03ae0f7e37d58b439386cf2e5fa290e3841b06090f
Manifest5025bc07342ca30f5b18b076778e974fd47e593e6feb195f2bd6305fd02b9a42

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
SignaturerH1isKKUlG3bD26c6fZUjO/Yndkts/ug88qeNguz5WcxdaFtnU3eR3MOfvNRrlmSz30NtMFxt1FpBxw1nfdvCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:28.080944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034831
observed d079d0faf2a11084f7b77b03ae0f7e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.062714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034831/manifest.json
observed 5025bc07342ca30f5b18b076778e974f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.045960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034831/publication.md
observed fa9e70996216b0a485f453e19d11a0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.026934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034831/publication.txt
observed 573d1a316039f9b17d5bfa99c3e6894a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.209392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034831
observed d079d0faf2a11084f7b77b03ae0f7e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.187299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034831/manifest.json
observed 5025bc07342ca30f5b18b076778e974f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.170831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034831/publication.md
observed fa9e70996216b0a485f453e19d11a0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.154720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034831/publication.txt
observed 573d1a316039f9b17d5bfa99c3e6894a...
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.