OpenTechnical

OT-2026-000058890

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000058890) never changes.

Identity and time

Publication numberOT-2026-000058890 · never reused
Internal UUID01a0ae89-479f-7cdd-8dd1-c21d016ac5b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058890
StatusPUBLIC

Content hashes

Canonical text4b6a29f30b14d2b3fce7895cb48445ff71736ca23d9f3106fcb0bd18d249fe85
Markdowna834d41eed14275c410ac47de3f7dbd0a81afbd804957ac1778bdb414f9e2c4d
PDF
Publication pageb9aaf5e1aea8f76c744afa8fa547167eca021fae26f846701138b362b20f48d9
Manifestf7388c20901310f4f3876b04559be687395efb50b6106185cf2ddca74854b30b

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
SignaturejRnf1LeA61kEde7CKuO2KpDEVLuVHokwfTpS6RlBBreUoDmIFGI+cSy5BJ2Q+SzSzKEH///zLUI+qTrsfEtOAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:26.269731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058890
observed b9aaf5e1aea8f76c744afa8fa547167e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:26.252335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058890/manifest.json
observed f7388c20901310f4f3876b04559be687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:26.232916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058890/publication.md
observed a834d41eed14275c410ac47de3f7dbd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:26.214650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058890/publication.txt
observed 4b6a29f30b14d2b3fce7895cb48445ff...
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.