OpenTechnical

OT-2026-000007930

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000007930) never changes.

Identity and time

Publication numberOT-2026-000007930 · never reused
Internal UUID01a0ae6a-908b-75b6-8b0e-c1a08bb9d98b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007930
StatusPUBLIC

Content hashes

Canonical textd35674ad254c6d1e535e14f1b20b36847215b2b1a33ed4cca98ecb1a86362e88
Markdown3f3e24c71be873a9f1c1b164f009ca6cd28d53a6e9e23778a8c38c2fdbfb1200
PDF
Publication pagefd7da3b2c678fe4e7296c2e491c0597653e5681bd15a4ed449c3e2092dd6e4c9
Manifestf67d843f5e7d6e76f390457515265f95302c20ce8426e03e7ef57e154752ae66

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
SignatureNUEyoQcp2eQY0TNbTJt9ITT3DpK73SyXU9Pofy9bW804gL0/1tCLqNecrXIr29yuYy788BKyjGoo/35jNp5VBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:25.810578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007930
observed fd7da3b2c678fe4e7296c2e491c05976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.793262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007930/manifest.json
observed f67d843f5e7d6e76f390457515265f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.769554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007930/publication.md
observed 3f3e24c71be873a9f1c1b164f009ca6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.745872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007930/publication.txt
observed d35674ad254c6d1e535e14f1b20b3684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:03.241660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007930
observed fd7da3b2c678fe4e7296c2e491c05976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:03.221572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007930/manifest.json
observed f67d843f5e7d6e76f390457515265f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:03.199685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007930/publication.md
observed 3f3e24c71be873a9f1c1b164f009ca6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:03.174882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007930/publication.txt
observed d35674ad254c6d1e535e14f1b20b3684...
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.