OpenTechnical

OT-2026-000103435

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pulsed blow-off after 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-2026-000103435) never changes.

Identity and time

Publication numberOT-2026-000103435 · never reused
Internal UUID01a0aea4-e460-73b6-ab93-6eafefdb6d75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103435
StatusPUBLIC

Content hashes

Canonical text742112955e3927619e33951937f03b15bbaa2ff7ae22eacf6485795323a32a72
Markdown68334f4a1285ed9784df9a425b06c569312f0b82e9443383072bc4aa204f8f7a
PDF
Publication page87bd2354ed7e6d062c858438095d3d0b6f48e497a7f0471a27312b21a49780c5
Manifest836af1d9d65d02447286361b1fdaee2573f394f82d48167641d6948086587825

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
SignatureEoVl3y9Dsepcv98e8c22teTckQgq1z92WEbZzpZsZA93wVDSGdKH5zHgoTJT+nDO+ZxlyU14/7+CNNMzWr92BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:11.229431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103435
observed 87bd2354ed7e6d062c858438095d3d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.212921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103435/manifest.json
observed 836af1d9d65d02447286361b1fdaee25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.197564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103435/publication.md
observed 68334f4a1285ed9784df9a425b06c569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.180401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103435/publication.txt
observed 742112955e3927619e33951937f03b15...
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.