OpenTechnical

OT-2026-000027202

Publication integrity record

Foam pad vacuum gripper, pump 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-2026-000027202) never changes.

Identity and time

Publication numberOT-2026-000027202 · never reused
Internal UUID01a0ae72-3454-7a17-8647-39ccbb1b2b6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027202
StatusPUBLIC

Content hashes

Canonical text0a2c5c19243ae196d616f42cee0ad8579fbed73dbb1e01580a012dce7a64e162
Markdown1f8b40b101bd3c7f4ae48d1b75de42d591d68e7f0253753d9f9a62d1cdcfbc55
PDF
Publication page6d769a9e103f60c2772001be61f7d85f9380acb2d864034fdc4e926e08811583
Manifest3c437f9e7b0e98d00d407b9293728d6ae6ef364273ff349384abf20a73f46cfb

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
SignaturelWGQ0uXrOhMHIS1ZQfmqcXAVcDkcyvuSGDaHeaU+yPA+XB/pIKHb6EFIvvC6hGaw3UQq0LC8tOKlm+PTdg91CQ==
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

2026-09-17T11:44:05.500902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027202
observed 6d769a9e103f60c2772001be61f7d85f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.482668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027202/manifest.json
observed 3c437f9e7b0e98d00d407b9293728d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.464674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027202/publication.md
observed 1f8b40b101bd3c7f4ae48d1b75de42d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.445815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027202/publication.txt
observed 0a2c5c19243ae196d616f42cee0ad857...
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.