OpenTechnical

OT-2026-000032014

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000032014) never changes.

Identity and time

Publication numberOT-2026-000032014 · never reused
Internal UUID01a0ae74-bad3-7c12-97a4-88fe6e5591e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032014
StatusPUBLIC

Content hashes

Canonical textd4a23776d3f7d63ecf65ecb4c5e793f89b3ef3f2c00117520b67905d64f86f83
Markdown79dbe8fd8ba14269806c45042c118a4f395826872d5f9323101f0ca094bba5a2
PDF
Publication page977b279eb6fe14df709b6de69f18fe34ed611f8597c0f8fd6901cb8c3b242a64
Manifest4a172467b6eccf84948f0dcd9570bdf8850ec1a94614a2d80c4dab7da218aabb

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
SignatureXBRwyMmeu9d0Z8VIJaNxOSVnEKNamP+mqmsdyebSRaubeCKihCHRwOASfSrcc3ugG1rjzdBczt2wEyJ5mL7uDQ==
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

2026-09-17T11:35:25.136488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032014
observed 977b279eb6fe14df709b6de69f18fe34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.117459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032014/manifest.json
observed 4a172467b6eccf84948f0dcd9570bdf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.095702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032014/publication.md
observed 79dbe8fd8ba14269806c45042c118a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.077343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032014/publication.txt
observed d4a23776d3f7d63ecf65ecb4c5e793f8...
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.