OpenTechnical

OT-2026-000016800

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000016800) never changes.

Identity and time

Publication numberOT-2026-000016800 · never reused
Internal UUID01a0ae6e-5919-72b2-92ef-eb8c11e376da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016800
StatusPUBLIC

Content hashes

Canonical texte589b9184043bd29fb2ca34a64ad0f921eb286480ddaad6959a49db36e5bb387
Markdown9b01ab6c529a759aaadf1f7c7992248985c78671183b8c7b87fd81b04b0e96ee
PDF
Publication page8c472ea391f51e6fdc3126d8befdac913a3ba165122b0d3da0d2da75bb0363b0
Manifest86e5c39d4852f99905e5415cd9d672855e7e17591c9e4196f05abcd82dfc3f6d

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
SignaturePVu4t9jZ2M2SS0AcN7eoyzpXU1yjzGtX9Xj/GjrOike58goUqgPBDpcDixmIUowZZlSZkJI9bI46vnaHO6a/CA==
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

2026-09-17T12:03:03.018590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016800
observed 8c472ea391f51e6fdc3126d8befdac91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.001795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016800/manifest.json
observed 86e5c39d4852f99905e5415cd9d67285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.984576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016800/publication.md
observed 9b01ab6c529a759aaadf1f7c79922489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.966545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016800/publication.txt
observed e589b9184043bd29fb2ca34a64ad0f92...
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.