OpenTechnical

OT-2026-000008577

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, vented after set-down

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-2026-000008577) never changes.

Identity and time

Publication numberOT-2026-000008577 · never reused
Internal UUID01a0ae6a-e46b-70df-bbe7-a825d74ffe81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008577
StatusPUBLIC

Content hashes

Canonical text7b265796cddddb2bc15e96c9ba58262d39dac6a3ee18801fc06d9cc59505a331
Markdown51a6ebc7114d82d47f3367ef21159bab7f4df03d14e52101fbab5d5635b39449
PDF
Publication pagee231eacb38996ae0b19d90a1b7a493488ad8eab6203a2b0c5ab9a13927b1a34c
Manifestec5a2fa7b10b0f9f9cfe80f1544f80e41fd27f7d32a298f9ee708948385a2ba0

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
SignaturegtI0cfQWnX6iACrP1+ApRZcxTz5MJUxKJKrLY8ZGGb/e+W2IaY/zHFQYDYsFMKeCy0VxSHTsirnKupHll7spAw==
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

2026-09-17T12:18:31.401946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008577
observed e231eacb38996ae0b19d90a1b7a49348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:31.378809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008577/manifest.json
observed ec5a2fa7b10b0f9f9cfe80f1544f80e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:31.358726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008577/publication.md
observed 51a6ebc7114d82d47f3367ef21159bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:31.334504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008577/publication.txt
observed 7b265796cddddb2bc15e96c9ba58262d...
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.