OpenTechnical

OT-2026-000005747

Publication integrity record

Bellows cup vacuum gripper, ejector fed, contact triggered on the face, plastic cups, 1 fold

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-2026-000005747) never changes.

Identity and time

Publication numberOT-2026-000005747 · never reused
Internal UUID01a0a943-76de-75e3-b3ee-1f8c1c4c8672 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:25.985458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005747
StatusPUBLIC

Content hashes

Canonical text484bbf68f36eb597063694e1c5e2fa6b6d2750efce40256c13a318447fbc7a93
Markdown29144da6ef7eecdc284d3c8d9499ce7c72cb997d7e5e19bae6a72a137d9913bb
PDF
Publication page4c5ded91a966ab101ea96b523bec3a8723e4f405f574ecca9e37c83a7da2c2b4
Manifestdcd883e92526a3fa6e63cd6f4d980d208d1d33b6c509e21e455ef00a1e3e742a

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
SignatureTPBuScdAkBf6oKSoCIZ9SsMYUb3/c4g+5LFKWPNGcYJS7I0Gn5u6ea1cZnQ1YNOyrYMkmUaiGUCsxYno4+GADA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:04.480676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005747
observed 4c5ded91a966ab101ea96b523bec3a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.467378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005747/manifest.json
observed dcd883e92526a3fa6e63cd6f4d980d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.454462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005747/publication.md
observed 29144da6ef7eecdc284d3c8d9499ce7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.439414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005747/publication.txt
observed 484bbf68f36eb597063694e1c5e2fa6b...
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.