OpenTechnical

OT-2026-000079839

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, sustained 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-2026-000079839) never changes.

Identity and time

Publication numberOT-2026-000079839 · never reused
Internal UUID01a0ae96-4376-7765-902f-68a2f7adba3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079839
StatusPUBLIC

Content hashes

Canonical text295960633fa12b1965d5b25eea9014480f0511bca3ca77237ad87da88c248545
Markdown487061901d798907cb4c0a09a57484cd944beb7b5757603d74dbd58016f247cc
PDF
Publication pageecf0a8b4b031403a83434f3ba71150a9da58448a93ea9df41f9bd743711f841f
Manifestd69e44bda33da99682a8599279b11085e6b540120e17dc999d939b55b7d525ec

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
SignatureIVH7vgBWzmvwZPhCQj08by3IJYo8T5CzmlP4BvTF7azTzmLN4vt1NW/HPRuA5DylCYkNvR2m5XstlQ6N/7HLBA==
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

2026-09-17T10:03:43.454256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079839
observed ecf0a8b4b031403a83434f3ba71150a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.435131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079839/manifest.json
observed d69e44bda33da99682a8599279b11085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.416331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079839/publication.md
observed 487061901d798907cb4c0a09a57484cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.399185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079839/publication.txt
observed 295960633fa12b1965d5b25eea901448...
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.