OpenTechnical

OT-2026-000007477

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, vented before set down, polyurethane cups

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-2026-000007477) never changes.

Identity and time

Publication numberOT-2026-000007477 · never reused
Internal UUID01a0a980-4407-765e-b07d-24a6628fbc14 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:50.667430Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007477
StatusPUBLIC

Content hashes

Canonical text43cde3c4d2210da9777e964f00ba7d9744e950af4252a7fbc303ac0ac0d8f587
Markdown341e235bb9fcef94f180d40667ad698f50b770dba51d932ef805742208023587
PDF
Publication pagef9841b6a37f913dd1557c0b2df16735858de1f26a0469b28b8b71409fd6bac8a
Manifest7f849d174b5241eccccb85135370f4792c82e73e942a1e19d62613ca06de4dc5

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
SignatureSZGXmAPSRMhnbQswVW9Zu/dSd1wxuWO50mlRAVy7vizqr+efppLc7qqCnpCYq3kMXJV8TyFBy8UpiZhEDBIuAg==
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

2026-09-16T09:20:03.226856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007477
observed f9841b6a37f913dd1557c0b2df167358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.214823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007477/manifest.json
observed 7f849d174b5241eccccb85135370f479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.199818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007477/publication.md
observed 341e235bb9fcef94f180d40667ad698f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.185389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007477/publication.txt
observed 43cde3c4d2210da9777e964f00ba7d97...
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.