OpenTechnical

OT-2026-000034677

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000034677) never changes.

Identity and time

Publication numberOT-2026-000034677 · never reused
Internal UUID01a0ae76-1ed1-7664-9a3a-182837dba027 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034677
StatusPUBLIC

Content hashes

Canonical text7c5db0ac591eb738ac5fdb82532fbeee478169e47a0012fd832496b5078b7b39
Markdown7115f8a4af063a06bde154da7c28cfa04e45161ce7ee3c3bbe3d2561001227a8
PDF
Publication page806902aed0aa02d6ff52dad62e6fae4880c841f96f24625a2c43db53213eb8d1
Manifest0322f8f031d4770f691ad2b836761b6cd84238bffa7811f5e1ebe71ed5fbcb13

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
SignatureXfDDPhB7huzYoUdNKDE4NK00fl01Nwz2o9rdn/SybdLU0tMUzQQwnBMLsz51QySJ26xhkU5O2vWBxxgYvcMEAw==
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

2026-09-17T11:29:05.081798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034677
observed 806902aed0aa02d6ff52dad62e6fae48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.064664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034677/manifest.json
observed 0322f8f031d4770f691ad2b836761b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.045700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034677/publication.md
observed 7115f8a4af063a06bde154da7c28cfa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.027250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034677/publication.txt
observed 7c5db0ac591eb738ac5fdb82532fbeee...
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.