OpenTechnical

OT-2026-000057510

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented before 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-2026-000057510) never changes.

Identity and time

Publication numberOT-2026-000057510 · never reused
Internal UUID01a0ae88-2692-793e-8651-04775fbc824a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057510
StatusPUBLIC

Content hashes

Canonical text9f9035ec7f1d92c3d57564a01cacf33cbd7eccc7dbae8a9236c00864efa4db96
Markdown7f35fed5607e62fabab5f2ba1369b1b54498f53d04274790291417c565e40fc2
PDF
Publication page8dbebdc299956e43c9f530c1ab86938fdbb695b5f6d97af0c69015e12d4d88d0
Manifest86b9daf19506e598c155672e25836a8562dfdc8745a604b92c4547c79e8e7583

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
Signature9baIhPQRpbSxRJsH+tHlJA3n3meF+DWiyeLTUcgg3pf7kxt3qXvM3LzYmCpqvlo/gceL8dUYiNJ/QMbOfNHHBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:02.406339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057510
observed 8dbebdc299956e43c9f530c1ab86938f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.389929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057510/manifest.json
observed 86b9daf19506e598c155672e25836a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.374011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057510/publication.md
observed 7f35fed5607e62fabab5f2ba1369b1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.357880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057510/publication.txt
observed 9f9035ec7f1d92c3d57564a01cacf33c...
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.