OpenTechnical

OT-2026-000007069

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, ejector fed, pressure verified, silicone cups

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-2026-000007069) never changes.

Identity and time

Publication numberOT-2026-000007069 · never reused
Internal UUID01a0a971-7f0b-7d9a-8e1a-f521c024201f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:42.734433Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007069
StatusPUBLIC

Content hashes

Canonical text1b758a832a04dd86714712686e242782bd5bc83dc299c79cc0b734b3977734d2
Markdownc04b5b431de3fa708205d02125cf8c69e0e3f2c474ceea437faa318c5f9bf1bc
PDF
Publication page000dda718765d284b883f9bacee2dac754994750707f65ab8e09848012b05823
Manifest4a5424116a0739adee96f551f2b5bd7098504a2bdb4d87e7cd237b4c1889a724

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
SignatureSltlSuqg/kBbSbeVM47qUsisF1VZnOq3LKrSjIcq64Naw9FxDTTP4tpSmqceVdp+yS+SnPns1px5uqcEbuBKAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:04.993595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007069
observed 000dda718765d284b883f9bacee2dac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.978148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007069/manifest.json
observed 4a5424116a0739adee96f551f2b5bd70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.964518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007069/publication.md
observed c04b5b431de3fa708205d02125cf8c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.950121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007069/publication.txt
observed 1b758a832a04dd86714712686e242782...
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.