OpenTechnical

OT-2026-000008603

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000008603) never changes.

Identity and time

Publication numberOT-2026-000008603 · never reused
Internal UUID01a0ae6a-e46b-7823-a96b-cd384f6df226 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008603
StatusPUBLIC

Content hashes

Canonical textee5afdca2a1cf1a4b66fadfcefda066787f3dbb757ccd797da0114e6e21254ff
Markdownee2c2b42540d226a2b0c302aa372c92e9a11d019698b92840d4ae07a11d6a4b6
PDF
Publication page236919a3c123660a7e43ff599b00b3231a150838aeb84536609b59ffdc47de37
Manifest6e1a6b9a07eeaa523d8c1edf67b9e11587447a7d73c55ac1fe00364593984b5b

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
SignatureHbRnpm1Q2MsKX7U99mqd6UXpq7zrRf1Mt/wQxLthZ+OPVCOZ8HWflwA4j2zQ5AjE2RnoEnqwc76uEVHQLABTBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:33.383812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008603
observed 236919a3c123660a7e43ff599b00b323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.356644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008603/manifest.json
observed 6e1a6b9a07eeaa523d8c1edf67b9e115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.335428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008603/publication.md
observed ee2c2b42540d226a2b0c302aa372c92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.306576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008603/publication.txt
observed ee5afdca2a1cf1a4b66fadfcefda0667...
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.