OpenTechnical

OT-2026-000005661

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, ejector fed, vented before set down

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-2026-000005661) never changes.

Identity and time

Publication numberOT-2026-000005661 · never reused
Internal UUID01a0a940-952d-7d28-b03a-30dee72c5ec7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:17.135976Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005661
StatusPUBLIC

Content hashes

Canonical text5708c32b34250d6e11645c654c25551d3fb74304de458af2de0ea4b978138147
Markdown9daea9e88063bd36286284d1e4f78d496fb1328498cd91fdb656bb23c5fe0c61
PDF
Publication page7af8d6018d84135230054bcc61c1df3c90ff55672fdb4cb9bb3af228ed25fb45
Manifest76f82b6ea4af3b60910f88ae1f9cf8b0cbb6458eb8cb8f984781b9193523661b

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
SignatureijzIB7NOS6HwCwsimpk05+S1euRze81ZcHLBE8SOUmVgHwoUPo0n+YPyJCBzVSzoaJvu+ttqS7mf/EXahqBbBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:14.940909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005661
observed 7af8d6018d84135230054bcc61c1df3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.927285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005661/manifest.json
observed 76f82b6ea4af3b60910f88ae1f9cf8b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.910163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005661/publication.md
observed 9daea9e88063bd36286284d1e4f78d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.896089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005661/publication.txt
observed 5708c32b34250d6e11645c654c25551d...
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.