OpenTechnical

OT-2026-000070593

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000070593) never changes.

Identity and time

Publication numberOT-2026-000070593 · never reused
Internal UUID01a0ae91-5460-7a7b-b1dd-e944b23d42f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070593
StatusPUBLIC

Content hashes

Canonical text5ce1290a3b669c2a6ff1021484ba5c043f2bcd3b5465b03bc7b430f9428b62de
Markdowndff903dcd37a3228b74a601ca9a111e5c4be17683200f9b583c0902db629adb6
PDF
Publication page601373f6d92c5916056babb9c13cdee1b211a0b245ea2e321547de818abb442c
Manifest3c23c125c15144740dccd696aea3741446e7c505e1909dcd6cab87ce7b59e1cc

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
SignaturePVi/4KY0nBhSzMtYmcwzO5fHT5bkb6m9efHiuMWn29qZuFbYEekGfc1OLhTiXtb4lI6adN6dTYSb5kqImYf0AQ==
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

2026-09-17T10:26:27.034940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070593
observed 601373f6d92c5916056babb9c13cdee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.016848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070593/manifest.json
observed 3c23c125c15144740dccd696aea37414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.997627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070593/publication.md
observed dff903dcd37a3228b74a601ca9a111e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.979720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070593/publication.txt
observed 5ce1290a3b669c2a6ff1021484ba5c04...
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.