OpenTechnical

OT-2026-000007302

Publication integrity record

Vacuum cup gripper, two zone face, pump fed, sustained 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-2026-000007302) never changes.

Identity and time

Publication numberOT-2026-000007302 · never reused
Internal UUID01a0a979-ea68-7fa4-b893-5982452c9986 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:54.507612Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007302
StatusPUBLIC

Content hashes

Canonical text94b42c9257c5a63d7ddad7f6df97eb9c0a8e7e565cf77887aeffc20cba109e47
Markdown57e8ee87432eced54b230d9143640d42a70eb2d94959ce9989c9dee13d7d4c07
PDF
Publication pagef66fa81a80ddcd6b909640adfe9d961f57bf329b08151134d29fe5f055d80467
Manifest88c4de903366603b7a8fae1cd29dd4e4d6449b586d262c51f16a8c808bc28051

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
Signaturea60tIZeCmUD2Bh/OYSELFRWTyr4gd2DErQeurqilEF0pxv9FdDGR7tliQKrZp1DGXS3VkU4PR85W/mYKLOgPCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:06.130724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007302
observed f66fa81a80ddcd6b909640adfe9d961f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.995101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007302/manifest.json
observed 88c4de903366603b7a8fae1cd29dd4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.980255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007302/publication.md
observed 57e8ee87432eced54b230d9143640d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.968485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007302/publication.txt
observed 94b42c9257c5a63d7ddad7f6df97eb9c...
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.