OpenTechnical

OT-2026-000078407

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three 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-2026-000078407) never changes.

Identity and time

Publication numberOT-2026-000078407 · never reused
Internal UUID01a0ae95-7c28-7425-aa4c-3e14812f24ea · 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-2026-000078407
StatusPUBLIC

Content hashes

Canonical textc79da7fe27a6eab1729400a8832947933510b4e564ab9e2cc32b5f060cd1b216
Markdownaf6c74a08e37c7c90882e6902fad70dcddd3ef4451e70492362b7db5004d4fae
PDF
Publication page178ec51154727b09d0e931368e0c5a064e018ff39f9c23c9e0d341cd35a0fe46
Manifest2dc6b6e92c671bacebdae790039ba4b33cd8c3c2a173bbbe66b0550f0abd3a7c

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
Signature8Lr1V3/AcIilYgWr2xGVZmmbYPcrkyoTeM/RG1NQ5hZcRnn0bc+rQGd/ocx7mWpsY8X0xWJYHi5gskuoeNSQDg==
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

2026-09-17T10:06:23.982425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078407
observed 178ec51154727b09d0e931368e0c5a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.963312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078407/manifest.json
observed 2dc6b6e92c671bacebdae790039ba4b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.944092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078407/publication.md
observed af6c74a08e37c7c90882e6902fad70dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.924623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078407/publication.txt
observed c79da7fe27a6eab1729400a883294793...
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.