OpenTechnical

OT-2026-000079345

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000079345) never changes.

Identity and time

Publication numberOT-2026-000079345 · never reused
Internal UUID01a0ae96-0b90-7d50-a6a4-67c9a7a22d7e · 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-2026-000079345
StatusPUBLIC

Content hashes

Canonical textfba2b1b27b91d39ab06a77e3fd6ed7795e0bd239daa35392213608814f1202f5
Markdown1cb6ad03793be43adcd3e70ca5ab04bae8ae3268b5ae636c5324be60cbdb8afa
PDF
Publication page56d749dc9eb95c03d6f1c0d0e55d74455fca3ef68d325a6256126600e4433ed2
Manifest4f71419da844c1edf67504ee656c012a7648927e879a22df3958e5d057a5b452

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
Signaturek4HSoAvd9Ng6t7YDMeWX9dxx6uHY7SoEVIWeZsZNqq1tU7/vZHoAnYOY48r//AXwwyXZ+218j6LHkrA1mdi4Dw==
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

2026-09-17T10:04:42.537877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079345
observed 56d749dc9eb95c03d6f1c0d0e55d7445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.518891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079345/manifest.json
observed 4f71419da844c1edf67504ee656c012a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.500102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079345/publication.md
observed 1cb6ad03793be43adcd3e70ca5ab04ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.480969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079345/publication.txt
observed fba2b1b27b91d39ab06a77e3fd6ed779...
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.