OpenTechnical

OT-2026-000069258

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000069258) never changes.

Identity and time

Publication numberOT-2026-000069258 · never reused
Internal UUID01a0ae90-b528-73b9-943f-b2aa75855b05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069258
StatusPUBLIC

Content hashes

Canonical text15d0b6abcdcae21b6a03a462b1c07fd7e7e6d2eec6bf90f09227985c684fc184
Markdowne37150c513fb8d88c5f3901f0fa4ef7c57e501674f2e03704b8f222db3768909
PDF
Publication pageea6507e9bf069ca8c5e1699d60bf51e5fb0a8c34b66deb280245ad9b9ba2df14
Manifest32fa02fd4209aa23b771183203a77983fe5280c4f1128ac4c6af8cef1dcc3e8f

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
SignaturesuH74jT88T9cAx2qkdxmZUKZO1BOSEsgRbJHeKNR4fpV9DiUpcyGZhE6ZCTEjDI4KgsIl2w1Oru45SWhgfD3CA==
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

2026-09-17T10:27:20.292357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069258
observed ea6507e9bf069ca8c5e1699d60bf51e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.274296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069258/manifest.json
observed 32fa02fd4209aa23b771183203a77983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.256977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069258/publication.md
observed e37150c513fb8d88c5f3901f0fa4ef7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.238397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069258/publication.txt
observed 15d0b6abcdcae21b6a03a462b1c07fd7...
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.