OpenTechnical

OT-2026-000078132

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000078132) never changes.

Identity and time

Publication numberOT-2026-000078132 · never reused
Internal UUID01a0ae95-6e8c-7acd-8879-ceec5eb74198 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078132
StatusPUBLIC

Content hashes

Canonical textdcfc7204363650bec8e325558fc80e9df2e478488ebf51ff298b051979792676
Markdownefeea6d53d814901e3937d486e712418c0cc98164a5f53cc9195224644c6abba
PDF
Publication paged25fcc638e38bda1157c8d14055a5dd93fc4bd0ea7c857495e441ccb2d6bf42e
Manifest353df8ed25133daeff977c4b33a388ecf89fb6f92d5a4c26923dad5c4aaf8ba6

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
Signature7+1zGhY/5qfeAsA+rLaT1C030TAJ9V9Xt9kjlvpz96Mkw9vzenkffBPVvD8bta3lEykTZkwAUmbhxpsp4stjAw==
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

2026-09-17T10:06:43.940885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078132
observed d25fcc638e38bda1157c8d14055a5dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.922269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078132/manifest.json
observed 353df8ed25133daeff977c4b33a388ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.903470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078132/publication.md
observed efeea6d53d814901e3937d486e712418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.884419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078132/publication.txt
observed dcfc7204363650bec8e325558fc80e9d...
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.