OpenTechnical

OT-2026-000025731

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed 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-2026-000025731) never changes.

Identity and time

Publication numberOT-2026-000025731 · never reused
Internal UUID01a0ae71-9bca-7b04-827b-402c48ec2a7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025731
StatusPUBLIC

Content hashes

Canonical text242168c2eac94b290807d066586f0ac30975431d483ffab006fac4942bdf2d0a
Markdown85762914465cf029419f43d190e5b97b72c4252c722042a4f2e994ca2e4bda59
PDF
Publication page1d98d59e0809b41885de0c10d0bc0342c324ac272db6cb0835ee1e5d14915a69
Manifest2b593cb8b54dd3e69a683336cbf86327411f2a1c6e5f694b324ecfaaa764376a

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
Signature8n/tAPjy4+wUwkuWG1wsNYnLoaz6K1U1c9Un8ZAv66d/euZ0kJU3LPlzzrnu4cg/UZDdV2fqLDkJ0UrQTeUbCA==
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

2026-10-15T12:41:10.223332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025731
observed 1d98d59e0809b41885de0c10d0bc0342...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T12:41:10.174076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025731/manifest.json
observed 2b593cb8b54dd3e69a683336cbf86327...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T12:41:10.121902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025731/publication.md
observed 85762914465cf029419f43d190e5b97b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T12:41:10.074516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025731/publication.txt
observed 242168c2eac94b290807d066586f0ac3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.145928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025731
observed 1d98d59e0809b41885de0c10d0bc0342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.127941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025731/manifest.json
observed 2b593cb8b54dd3e69a683336cbf86327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.109394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025731/publication.md
observed 85762914465cf029419f43d190e5b97b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.090252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025731/publication.txt
observed 242168c2eac94b290807d066586f0ac3...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent