OpenTechnical

OT-2026-000079813

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000079813) never changes.

Identity and time

Publication numberOT-2026-000079813 · never reused
Internal UUID01a0ae96-4376-7f87-88dd-56424931fb1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079813
StatusPUBLIC

Content hashes

Canonical textfbe1aaea9a9459f608c2d1075f25dc60fa7fa7a605b3b2c38a6adc229448313d
Markdowna2b674d2a0ca12753d83112fc0c9c720b9f2a6b954093170f60342219281dd38
PDF
Publication paged87e427b3c742e771c6fd5be0730fa009e06db8235904f5c6035a459a761766c
Manifest80781688005d93c7da21d932417bd66f7c7e2109f7dc016749441965fa698b4e

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
SignatureYH+lRWLk5PdBgrD6Dxvk5NfvNtqgd6MXhAF3g7yUfC26/oW6BoaJKutZisqBBl1ajHLhklQZFSKyWoaYlW4fCQ==
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

2026-09-17T10:03:41.550526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079813
observed d87e427b3c742e771c6fd5be0730fa00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.532127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079813/manifest.json
observed 80781688005d93c7da21d932417bd66f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.513162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079813/publication.md
observed a2b674d2a0ca12753d83112fc0c9c720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.495083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079813/publication.txt
observed fbe1aaea9a9459f608c2d1075f25dc60...
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.