OpenTechnical

OT-2026-000087426

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000087426) never changes.

Identity and time

Publication numberOT-2026-000087426 · never reused
Internal UUID01a0ae9a-cd50-7326-9177-1cfc02802e2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087426
StatusPUBLIC

Content hashes

Canonical text8417d0a34ae31435444e337b6ddd92dd1f297553a5f69f6595c364f40d360c60
Markdownf08ec6f670ac8e716881353c4f52e867c779e6758bcfbc444d1e71e965586e0a
PDF
Publication page6d01d6fe4c0b73de96f4baa010532dd609eb627c39bcef472716a0c5938a3dee
Manifested15ad33cae1c75d894e53dd47a2cf2f84d80b02a6b01bf4dfc5fe4dbf4aff05

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
Signaturetd9uPGi5NQR7arkeguL8NCRXqp0psnPJn05q8Z6GRkcbLPpKs3k9k9W5wnOLCwu6kYhkHcLgj+3Y1dUslPNbDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:44.796652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087426
observed 6d01d6fe4c0b73de96f4baa010532dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.779126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087426/manifest.json
observed ed15ad33cae1c75d894e53dd47a2cf2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.759671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087426/publication.md
observed f08ec6f670ac8e716881353c4f52e867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.741219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087426/publication.txt
observed 8417d0a34ae31435444e337b6ddd92dd...
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.