OpenTechnical

OT-2026-000041601

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000041601) never changes.

Identity and time

Publication numberOT-2026-000041601 · never reused
Internal UUID01a0ae79-e8a0-7c80-bbbc-ec31a7760c07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041601
StatusPUBLIC

Content hashes

Canonical texte18980643f8b2bf54e08ca7e16756ef90c1aa21acfd5da32a6e03bdd1a89f6d5
Markdown73906fec60d78601a572644f293621970fb7416204476a939ef813b03a9e9c08
PDF
Publication page47557674051480e985918657fceef106c25a6dd9cbaf3dc7090bf29e3cbcf96a
Manifest062f0de473330ef6022b4ecf627808dc8fb83c464859d8a128111047b8c53db5

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
Signature6LsAOaAMY+Tz++u+LdLnIMYXch+f7PhvYw41ptV8JM4SLGtbcLrBHan/0+rBsknZQN0adSxa/5dOQ45ek4dYAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:23.550772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041601
observed 47557674051480e985918657fceef106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.534470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041601/manifest.json
observed 062f0de473330ef6022b4ecf627808dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.517578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041601/publication.md
observed 73906fec60d78601a572644f29362197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.501715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041601/publication.txt
observed e18980643f8b2bf54e08ca7e16756ef9...
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.