OpenTechnical

OT-2026-000007923

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained 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-2026-000007923) never changes.

Identity and time

Publication numberOT-2026-000007923 · never reused
Internal UUID01a0ae6a-908a-7375-9d42-81b29523ef54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007923
StatusPUBLIC

Content hashes

Canonical text1228401e0ca700eb6d5cd3b855afd9c90e1961f83f297878abc52cf441d92256
Markdownf1e30e283a00ade91983e8be950c5ff787628a4033feb37746ada8dfae95c04b
PDF
Publication page493286063719d33b04e7ce2daf2c6d6b6dabda628b0367911de6343113178aad
Manifest0461ccbb1c88de1bfa0f9dd310ed0494b695fb032d0e28c9b66f942d8a91004f

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
Signature9HLN5sYAqlUSJUMKvIYQOkL7jTnlf1sEnEOu8OZYuhM6/JGHhMpgo3yoE7Q7HGn2V5O4IMgDS3vDs894PkU8Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:25.243719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007923
observed 493286063719d33b04e7ce2daf2c6d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.221009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007923/manifest.json
observed 0461ccbb1c88de1bfa0f9dd310ed0494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.184219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007923/publication.md
observed f1e30e283a00ade91983e8be950c5ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.098502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007923/publication.txt
observed 1228401e0ca700eb6d5cd3b855afd9c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:02.731165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007923
observed 493286063719d33b04e7ce2daf2c6d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:02.710786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007923/manifest.json
observed 0461ccbb1c88de1bfa0f9dd310ed0494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:02.689511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007923/publication.md
observed f1e30e283a00ade91983e8be950c5ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:02.672514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007923/publication.txt
observed 1228401e0ca700eb6d5cd3b855afd9c9...
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.