OpenTechnical

OT-2026-000078845

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000078845) never changes.

Identity and time

Publication numberOT-2026-000078845 · never reused
Internal UUID01a0ae95-ccbd-7029-92e2-a9d515fa3791 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078845
StatusPUBLIC

Content hashes

Canonical textd9dd50b9086fd39013389d48fb0a9ad22ffff62f82828d7bc1ef0725f8bc4a79
Markdown04fa352880fec23814de28a958443f31fa60921eea1a0da9a5ad7262a6d5ae24
PDF
Publication paged91a43e485fbc8785c0b267c5160dc774af3aac808d59e1de77b0402064a5b32
Manifest22cc0f7068d7565b67b193e75a3e4f6a464b7dd05b06632c79e589bbd363ead6

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
SignaturefdGxciOBVB3i9WSc94NIV+3GaNmPEYIX+cB78+XS9cjBHkIMKikymeNaZBJPj0zkYUs6KNqQNIOAMPZHYuF6CA==
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

2026-09-17T10:05:38.599855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078845
observed d91a43e485fbc8785c0b267c5160dc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.581476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078845/manifest.json
observed 22cc0f7068d7565b67b193e75a3e4f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.563548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078845/publication.md
observed 04fa352880fec23814de28a958443f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.545369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078845/publication.txt
observed d9dd50b9086fd39013389d48fb0a9ad2...
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.