OpenTechnical

OT-2026-000076778

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000076778) never changes.

Identity and time

Publication numberOT-2026-000076778 · never reused
Internal UUID01a0ae94-b06f-73c4-a032-f2cf44f6829b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076778
StatusPUBLIC

Content hashes

Canonical textd4b78b2af29f1318f29214730df6aaf74d437a7765ef0bbf3a4c31f863432038
Markdown15d274420ee9d57154eda5c1e546c4900301a7fd10509bab05ce00f99d3d9d1e
PDF
Publication page825222b0c9b096cef9e73b310be6041549b787ff5fdc3bdd670e884487e9c949
Manifest471e8475e57a153cc150bb115bed2758ef6bff7a42874919b76fa020e4a182a6

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
Signature/002xwLwonu462uKeDYhAqGI79T6sa/lsHurPYAYyYG97u+gCEGC8wokAY3dDzV4FZrqFoix0g4owR2pgCn2Ag==
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

2026-09-17T10:09:38.440218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076778
observed 825222b0c9b096cef9e73b310be60415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.420470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076778/manifest.json
observed 471e8475e57a153cc150bb115bed2758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.401905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076778/publication.md
observed 15d274420ee9d57154eda5c1e546c490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.381330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076778/publication.txt
observed d4b78b2af29f1318f29214730df6aaf7...
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.