OpenTechnical

OT-2026-000079531

Publication integrity record

Foam pad 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-2026-000079531) never changes.

Identity and time

Publication numberOT-2026-000079531 · never reused
Internal UUID01a0ae96-0b92-7ea3-af20-94deada53a69 · 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-2026-000079531
StatusPUBLIC

Content hashes

Canonical texted645dd346203fd4f53a8c97b82a2da12d2e77dc220809fd879abaa42e806fd5
Markdown921dc3941911a3ba71c57cb50fc158dae780c902a1d1a54e413b7ac870b5444a
PDF
Publication page352b636d3a14d5823b361203a76eff8f130f210718131c12b7e196d3fa5a8c44
Manifest8958e5f6514380ebaf559b89badd7ef801cb2d7fdfffde68734ad54febd40573

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
SignaturebrXE3mIz8yizNKRYAFRji9RwNDEtbG7a1KBwdIwRmZLLlD26aHIqh5+3FSq65TDfWbzpl5aXH33XWGO8TOUEBw==
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

2026-09-17T10:05:10.646292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079531
observed 352b636d3a14d5823b361203a76eff8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.628706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079531/manifest.json
observed 8958e5f6514380ebaf559b89badd7ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.610526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079531/publication.md
observed 921dc3941911a3ba71c57cb50fc158da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.591849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079531/publication.txt
observed ed645dd346203fd4f53a8c97b82a2da1...
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.