OpenTechnical

OT-2026-000006102

Publication integrity record

Porous face vacuum gripper, four outlet manifold, pump fed, pulsed blow off after set down

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-2026-000006102) never changes.

Identity and time

Publication numberOT-2026-000006102 · never reused
Internal UUID01a0a94f-6453-7a6a-825b-fafa2c344b29 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:27.669918Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006102
StatusPUBLIC

Content hashes

Canonical textb4868c223aaf4c2dc1777c6f5fe7f3b92b3c2ac341ac14637cc68b1f6bb353e0
Markdown04b5c455eb473d94978f5b9035e615b5111ec5caf03e6d2b90e557bd4f3563db
PDF
Publication pagee3c3d013bc3a198d447a59dca2fc59232f6762a12bff510de7cbc851ede2bc9e
Manifest3b7de78e9d212b2a0b815da810a508452207d7af9b4abd9bb3c3287e0367be71

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
SignatureyE79AxsU/nCIBi1Z1HKdwWgejA2TG6My9mbJaNgAwKywJwocEiOmQrdR2iVg+BJg+yy2rGGobNv1vmbWLfBOBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:27.231299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006102
observed e3c3d013bc3a198d447a59dca2fc5923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.217943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006102/manifest.json
observed 3b7de78e9d212b2a0b815da810a50845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.204417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006102/publication.md
observed 04b5c455eb473d94978f5b9035e615b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.190313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006102/publication.txt
observed b4868c223aaf4c2dc1777c6f5fe7f3b9...
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.