OpenTechnical

OT-2026-000103155

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000103155) never changes.

Identity and time

Publication numberOT-2026-000103155 · never reused
Internal UUID01a0aea4-be3e-7331-a1c5-67fd77eb42ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103155
StatusPUBLIC

Content hashes

Canonical text3c0a522ad632d36a3a1e489bd33a25d27e029e038e880f9fa4fe817ddddf2899
Markdown3d96c2399ed2b899a642881d228b8c0cca7014318826d6461e690d3d7e8749d0
PDF
Publication page6d23bd641409f4ae716d6662e99bbd53ff36e6ba5f08bd465d6a1415f16915db
Manifestc65726ad160c360443dfaa0d50ab346e6d6a835609b1d2dd09e4ef70e36d6732

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
SignaturezWhgJ/t5EFJ7E25+9hZBWYo3fUeIfIvMdpXAbzm3K7lbBZSiXKIkWATL4OskrdPrTNSa+ORmDDmArlx422dACQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:22.071983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103155
observed 6d23bd641409f4ae716d6662e99bbd53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.054224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103155/manifest.json
observed c65726ad160c360443dfaa0d50ab346e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.034139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103155/publication.md
observed 3d96c2399ed2b899a642881d228b8c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.014674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103155/publication.txt
observed 3c0a522ad632d36a3a1e489bd33a25d2...
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.