OpenTechnical

OT-2026-000027658

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027658) never changes.

Identity and time

Publication numberOT-2026-000027658 · never reused
Internal UUID01a0ae72-6999-75cf-9ed2-7a1903f22b3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027658
StatusPUBLIC

Content hashes

Canonical text5e94b2d98c82a8a92997f81f58ebffc5a951bf117f146094ad194956086b5f02
Markdownb852d69fa16a26b152e78289b37cd2f2411a80bcebd262723ae3c56db2a461db
PDF
Publication page41349498a7744a0328ffee08e0872c44e79937836ed49d9fde4c295bf7bb2cbe
Manifest7a0565d0873fa3dbfb5bbb46e372ded261630a615b043afdef61c3850a05fa1c

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
Signaturepfa6JzpD1Kd/GCNzUEcE+EeXjtTS/XNTmbjTtCLSRCT4HivgO5dcxBNNNVUlcKYryYvFH5AUg/s0aW6au5wpBw==
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

2026-09-17T11:43:11.349931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027658
observed 41349498a7744a0328ffee08e0872c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.330464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027658/manifest.json
observed 7a0565d0873fa3dbfb5bbb46e372ded2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.312565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027658/publication.md
observed b852d69fa16a26b152e78289b37cd2f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.295389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027658/publication.txt
observed 5e94b2d98c82a8a92997f81f58ebffc5...
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.