OpenTechnical

OT-2026-000030084

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off 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-2026-000030084) never changes.

Identity and time

Publication numberOT-2026-000030084 · never reused
Internal UUID01a0ae73-ac4a-7dba-a864-32af99a0fc8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030084
StatusPUBLIC

Content hashes

Canonical text6678b9258bfd1165eb224418a911749455a58005e303cf8c7c9a521e3c1284fb
Markdownc288b6a1a1bcabc85e9e19214c012061f4eeb6fc37ea4ac3140f9d5d95afe45c
PDF
Publication paged28321b4cb7f94f2046a410e8e6748fb8bc6d03a5fe292d05eae8b707fcedc7d
Manifest0eedde50d79784fe70bc9b4228f749982f6251309be51c3fe768ff0b36b1995b

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
SignaturewXAYC9BS0gXvr8w/PNc8AYns+HrxRs2fT+kT6P2nOpPoDBwAcYcKS5B9qNfL2Oov34SQC/pggQNmRGJqGqjUCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:49.923351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030084
observed d28321b4cb7f94f2046a410e8e6748fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.905653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030084/manifest.json
observed 0eedde50d79784fe70bc9b4228f74998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.888703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030084/publication.md
observed c288b6a1a1bcabc85e9e19214c012061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.873328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030084/publication.txt
observed 6678b9258bfd1165eb224418a9117494...
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.