OpenTechnical

OT-2026-000005098

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, pump fed, pressure verified, contact triggered

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-2026-000005098) never changes.

Identity and time

Publication numberOT-2026-000005098 · never reused
Internal UUID01a0a92d-caf6-7549-b91f-c9f4d8124343 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:45.721366Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005098
StatusPUBLIC

Content hashes

Canonical textcc1da07fcf4d8cf6671b55a38207057f13979fa58532bb15592f6bba100beb6c
Markdown7551bcaea6bde09a94a0662758601834630aaf908b9c3fa6ffff76992ced2124
PDF
Publication pagee6d63d1e339b018b2eb6f4b031d16adcd2bc648000a42623259e975b7c027140
Manifest4f39560632fe79ca73fce6dbb7cba217cc577460b6844064432372fab3fe9851

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
SignaturetJueGCviJn3o3/B5GZNOhj7kfRZSLxmBLZPGJbmW1+aPA9mwDhlAnO80z+vcOgqVMmy16qnARYRqInR2TjDEDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:15.711159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005098
observed e6d63d1e339b018b2eb6f4b031d16adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.698958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005098/manifest.json
observed 4f39560632fe79ca73fce6dbb7cba217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.683322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005098/publication.md
observed 7551bcaea6bde09a94a0662758601834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.668336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005098/publication.txt
observed cc1da07fcf4d8cf6671b55a38207057f...
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.