OpenTechnical

OT-2026-000069331

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069331) never changes.

Identity and time

Publication numberOT-2026-000069331 · never reused
Internal UUID01a0ae90-b529-7d7a-ab8d-27e101a2dd12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069331
StatusPUBLIC

Content hashes

Canonical texted4ff403ae1683d4de0967e9891dafd526a90728670d2eb7b7642566b5a4460b
Markdown38b9835b2107d353abca1e66c07124de095f3c43fef32eef7ac955a35b1d684e
PDF
Publication pageb655f7db782287c3ec8094524eef80ea0607daf2b51c87325854239edde782eb
Manifestb0af9e432ddc5acbcd0b9e765c2e381b0b1c0fc7d5baff37683e808d05c4c250

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
Signatureh5GXwRpdWZOk5ERkE45v+1eUK0ZeStNQnuq8tLSZXeW66isf+gZeFGJhwz77Enux9sWYgkkXDD0BSIrO0b40DA==
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

2026-09-17T10:30:06.412363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069331
observed b655f7db782287c3ec8094524eef80ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.384362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069331/manifest.json
observed b0af9e432ddc5acbcd0b9e765c2e381b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.359084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069331/publication.md
observed 38b9835b2107d353abca1e66c07124de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.323944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069331/publication.txt
observed ed4ff403ae1683d4de0967e9891dafd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.636720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069331
observed b655f7db782287c3ec8094524eef80ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.618575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069331/manifest.json
observed b0af9e432ddc5acbcd0b9e765c2e381b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.601739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069331/publication.md
observed 38b9835b2107d353abca1e66c07124de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.581860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069331/publication.txt
observed ed4ff403ae1683d4de0967e9891dafd5...
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.