OpenTechnical

OT-2026-000077993

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000077993) never changes.

Identity and time

Publication numberOT-2026-000077993 · never reused
Internal UUID01a0ae95-2ed1-72b8-9466-2f95e684a778 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077993
StatusPUBLIC

Content hashes

Canonical text45b9888f3d3e5756efcec99daa4fbe8bdb032939d9b1e841552c31251b7c44db
Markdownb2f776b3ee75cadbefcea7d560dc6050941ac15ad44979645f1411e721189c2c
PDF
Publication page39e4192c486773cc9f09fd3befa3546599eee67d5eb3f170d558a5931a0e10db
Manifest508c0fe8cbf6ceee50aacc53327ade57b36d75776866a887f7c7acfc951e420e

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
SignatureWQCpFrunk6K8/d1OZnXC3SYNYHiTIKlI5Wmlt/xy83jMjC/ZomSE0o3IB+wFWC4GCCKwzJnacpaad7wUbTSfAA==
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

2026-09-17T10:10:26.250655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077993
observed 39e4192c486773cc9f09fd3befa35465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:26.226377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077993/manifest.json
observed 508c0fe8cbf6ceee50aacc53327ade57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:26.204278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077993/publication.md
observed b2f776b3ee75cadbefcea7d560dc6050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:26.061444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077993/publication.txt
observed 45b9888f3d3e5756efcec99daa4fbe8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.720265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077993
observed 39e4192c486773cc9f09fd3befa35465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.701524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077993/manifest.json
observed 508c0fe8cbf6ceee50aacc53327ade57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.683488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077993/publication.md
observed b2f776b3ee75cadbefcea7d560dc6050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.663396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077993/publication.txt
observed 45b9888f3d3e5756efcec99daa4fbe8b...
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.