OpenTechnical

OT-2026-000074153

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000074153) never changes.

Identity and time

Publication numberOT-2026-000074153 · never reused
Internal UUID01a0ae93-7177-777c-a9a3-eb39626ca93d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074153
StatusPUBLIC

Content hashes

Canonical text6fcae5c361b5b7d735c6b5cc0550bda60f2580db0512f9e29327bfcf405e338f
Markdowndbeb0358aa014a59b68b4211e524ef7f4e35f5399d8e647761ea2791a6c095a4
PDF
Publication page13ba9451e55e39d7305663b20d430673ed55ded0e28fe47de68c633d91b97774
Manifest2cee6c600614d6974994522a2256a9e8875e9d40a88a0ae38f48bd49a89218df

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
SignatureJcg/7iACRnpN75i9xD0rf2Qn+OUnrg/xTqUGufByR7KXElxreSII/Ev619XrFBWOUulfX5F32Zf3feJT6h8dCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:00.050936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074153
observed 13ba9451e55e39d7305663b20d430673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.033080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074153/manifest.json
observed 2cee6c600614d6974994522a2256a9e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.016137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074153/publication.md
observed dbeb0358aa014a59b68b4211e524ef7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.997956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074153/publication.txt
observed 6fcae5c361b5b7d735c6b5cc0550bda6...
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.