OpenTechnical

OT-2026-000079124

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000079124) never changes.

Identity and time

Publication numberOT-2026-000079124 · never reused
Internal UUID01a0ae95-ccbf-70dc-9faa-d739a1d47cf2 · 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-2026-000079124
StatusPUBLIC

Content hashes

Canonical text6e946654ae397638b76f07c0a67b634bf8046940d48766ad1a535c593c5f7da0
Markdown95d5535219515b9f829773a1d9353d4f92a2fff1b1d5580f5f69edd9b5973223
PDF
Publication page5870fc3115113729ff9b05e4bd190a5b842dce5e4854c7e300f357b5aa1a9b4e
Manifest6797b9366b99a9e9d45002b2c29bad2465cdb805765b8586a16cafae210a7f01

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
SignatureHao/i8QtPyN/mOIA5JgBu5ANwNZYWggcYTu7XPkwJzqwiUu18Gd2Vd8LQZinxCNJD3N6oPgKp1K5/DiieqmNAQ==
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

2026-09-17T10:05:58.343894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079124
observed 5870fc3115113729ff9b05e4bd190a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.326978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079124/manifest.json
observed 6797b9366b99a9e9d45002b2c29bad24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.309022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079124/publication.md
observed 95d5535219515b9f829773a1d9353d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.291337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079124/publication.txt
observed 6e946654ae397638b76f07c0a67b634b...
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.