OpenTechnical

OT-2026-000078535

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078535) never changes.

Identity and time

Publication numberOT-2026-000078535 · never reused
Internal UUID01a0ae95-7c29-70b4-9ad1-7f7f130ca45f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078535
StatusPUBLIC

Content hashes

Canonical textb14dc6d00818df6e04f156a67864d4dd584da3c11cf01f4d072876de31536b22
Markdowna0a7fb283e467245a68a478a95dc61663f96aebc4f3da56977056ba58c98ef63
PDF
Publication page81c232304e00db40cff1d492c5392f47f9721f2396af23b6848352d36dfb8b3a
Manifeste81bcde8b5c149539b8cc581fa309bc6464db400a1fc62a0edb51a2c598d3524

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
SignatureirkHFJiH/2quj4QVUyh8MgPwnd0JY6NKpLjxWsPqqFLTA6/YZbDOrNCokFkw1cCeE5BXx9czWzuiSRZJJeGfBw==
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

2026-09-17T10:06:33.306660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078535
observed 81c232304e00db40cff1d492c5392f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.290058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078535/manifest.json
observed e81bcde8b5c149539b8cc581fa309bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.271817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078535/publication.md
observed a0a7fb283e467245a68a478a95dc6166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.253731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078535/publication.txt
observed b14dc6d00818df6e04f156a67864d4dd...
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.