OpenTechnical

OT-2026-000075952

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075952) never changes.

Identity and time

Publication numberOT-2026-000075952 · never reused
Internal UUID01a0ae94-2a00-7e20-bb66-0be1cce72143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075952
StatusPUBLIC

Content hashes

Canonical text6349d83ebf33dcabfdae0d01316743d01a1d7ec2e67757b3607fa79eded20e44
Markdown68c77fccea57eba9194cf5957611347800b64fae12f7dbb4d9ebe1b91d832260
PDF
Publication pagea07f490268a3779e68990043a51f23e7c2bd7d8cc0dd0a0daf4c878725dfbabf
Manifest6ac7e3bace2dc6d6e9f54add1446a20052b6d64dda3ed918d441e6249cd9ffc1

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
SignatureRV3oRb4TyeU1lAVbVzTBjXPwx9J6rSdGNa9a8TdQop2MowbM2mDosPAOnhuBB72mYFA1UY9tkJAEYvFJtbAlAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-26T04:41:29.855636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075952
observed a07f490268a3779e68990043a51f23e7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-26T04:41:29.805473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075952/manifest.json
observed 6ac7e3bace2dc6d6e9f54add1446a200...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-26T04:41:29.745901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075952/publication.md
observed 68c77fccea57eba9194cf59576113478...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-26T04:41:29.691571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075952/publication.txt
observed 6349d83ebf33dcabfdae0d01316743d0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T04:23:18.348001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075952
observed a07f490268a3779e68990043a51f23e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:18.331219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075952/manifest.json
observed 6ac7e3bace2dc6d6e9f54add1446a200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:18.313617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075952/publication.md
observed 68c77fccea57eba9194cf59576113478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:18.288477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075952/publication.txt
observed 6349d83ebf33dcabfdae0d01316743d0...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent