OpenTechnical

OT-2026-000044548

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000044548) never changes.

Identity and time

Publication numberOT-2026-000044548 · never reused
Internal UUID01a0ae7c-39d9-74b9-ab7e-80989ee26c35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044548
StatusPUBLIC

Content hashes

Canonical text7f73652311324a0c3fffd519d70db848d61c8fee29dfef5de3860c4f13f2571b
Markdown17b8b0cd243060329816763e7759c8e7ec3e878b16ff41427fa0ad1989eb839f
PDF
Publication pageb62a7b33250ab583af1c888af896271ba3da01ce35671ea2cd100db194b5fe95
Manifest541c8eccd494759fab6bd517e6096945260bbb76dc24475bb2f3e8876197491f

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
SignatureZe0cCBKDAl+DE5d6/D/Ytz+1iY1SxsiJDNTFFtIjWu8gVFJ6GfCa/OTME+H8+/3GI60OE2DiowU0lFioNBxhDQ==
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

2026-09-17T11:11:44.142894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044548
observed b62a7b33250ab583af1c888af896271b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.124493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044548/manifest.json
observed 541c8eccd494759fab6bd517e6096945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.106208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044548/publication.md
observed 17b8b0cd243060329816763e7759c8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.085583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044548/publication.txt
observed 7f73652311324a0c3fffd519d70db848...
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.