OpenTechnical

OT-2026-000079057

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000079057) never changes.

Identity and time

Publication numberOT-2026-000079057 · never reused
Internal UUID01a0ae95-ccbf-7177-a506-312505d2f14f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079057
StatusPUBLIC

Content hashes

Canonical text1af3f717f1bb1be4b33b414011a26bc3a141af400a9bd3bf793ed0e685036adc
Markdown5cd06faee661fd5c5f15e69c4869ded93ca6d7f61b9aed25e8ecd02a575b3d18
PDF
Publication page58e683c8a506717028bfee3e0147877d61dbb015c663488f1a83789d21753aa4
Manifest734dac1d8acd1929c74e435cc706aa09acdb9046dd0c3f50086b0c0b544fa6cc

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
Signature9MdPtdCQk79Yjo898sxMBemASQNrEJGm4LNPE82Zw9a2sSwerWC7nQnZEJYJb7HwjMUXrdGxpe0BM7qnNLojBQ==
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

2026-09-17T10:05:54.004988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079057
observed 58e683c8a506717028bfee3e0147877d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.985841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079057/manifest.json
observed 734dac1d8acd1929c74e435cc706aa09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.961580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079057/publication.md
observed 5cd06faee661fd5c5f15e69c4869ded9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.937030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079057/publication.txt
observed 1af3f717f1bb1be4b33b414011a26bc3...
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.