OpenTechnical

OT-2026-000079519

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000079519) never changes.

Identity and time

Publication numberOT-2026-000079519 · never reused
Internal UUID01a0ae96-0b91-7930-a800-f54cd0374047 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079519
StatusPUBLIC

Content hashes

Canonical text6c6945dfbf8b76ff7f8dacef3f86e076ee9ba78fa6482582e894f965e9cbb6c1
Markdowndc4bf85065b32a5a58958318c708477890fbe869c8b5485568038eb1b0739b2d
PDF
Publication page91238667a78c29fc0e28e5828af621acfb8928a27d81e4802a3e725ad812910e
Manifestfaa637212e97462882f6392263cb568c75d2d77c958177a227b7771dbfd4138a

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
SignatureE7Y0THHZOWdfMYJeW42l3VOqeT4+JLQNL8UZEOGhBw9tk3Piq+AyeymXBNYLNazQolylBAAYox5iVyI6N5mgCQ==
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

2026-09-17T10:05:09.709244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079519
observed 91238667a78c29fc0e28e5828af621ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.690144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079519/manifest.json
observed faa637212e97462882f6392263cb568c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.672834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079519/publication.md
observed dc4bf85065b32a5a58958318c7084778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.654387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079519/publication.txt
observed 6c6945dfbf8b76ff7f8dacef3f86e076...
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.