OpenTechnical

OT-2026-000077416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000077416) never changes.

Identity and time

Publication numberOT-2026-000077416 · never reused
Internal UUID01a0ae94-f509-75d8-89ca-2836d9a98531 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077416
StatusPUBLIC

Content hashes

Canonical texte86b4ab3d5175a08c4eb55790d25b34c827458e308c6766aad3500e0688df51b
Markdown45118a4c0a40fcd2bd6534ca08e0c20f19e5e3f09464608cee83fb0f2e53f8f6
PDF
Publication page68e9cf6196fb73083d1e436e7f69a9a9744b3873c13c4456cc2ae623d7aac9cb
Manifest741b792fdddc26106a6b2b86a8dd0b6be0fe4cf141a56a5455d9282a4192c9cc

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
SignatureEI/QdmEfYZ8aVTIpmGcYCEoMU74Tt/dn/bdmChjib2aubsrfXAIsol+8CIDN/Yn+fJhZBf0SrEVnuvq1xTm3BA==
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

2026-09-17T10:10:50.284242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077416
observed 68e9cf6196fb73083d1e436e7f69a9a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:50.267838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077416/manifest.json
observed 741b792fdddc26106a6b2b86a8dd0b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:50.251001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077416/publication.md
observed 45118a4c0a40fcd2bd6534ca08e0c20f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:50.232224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077416/publication.txt
observed e86b4ab3d5175a08c4eb55790d25b34c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.351411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077416
observed 68e9cf6196fb73083d1e436e7f69a9a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.332706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077416/manifest.json
observed 741b792fdddc26106a6b2b86a8dd0b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.313716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077416/publication.md
observed 45118a4c0a40fcd2bd6534ca08e0c20f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.295190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077416/publication.txt
observed e86b4ab3d5175a08c4eb55790d25b34c...
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.