OpenTechnical

OT-2026-000077705

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000077705) never changes.

Identity and time

Publication numberOT-2026-000077705 · never reused
Internal UUID01a0ae95-2ecf-71a4-a0f5-f2f39993aeb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077705
StatusPUBLIC

Content hashes

Canonical textd9090b4ffa4f24e19838d145896f55cee66fc75749328689337806021b34aba0
Markdowne316fbe65076788da8388ea3442f040dd5bd61fd4df9ddce7594e2ca06fca4a1
PDF
Publication page38d70b1e89d20b070c8b6230b5ab272f690ee99b3edf9efe654a7b00ffb058d6
Manifest7538d01a4da751518dc8f9fc1a2a984c2e62b85eef80fe0260777d7804951c80

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
Signaturea9aqQkxKLeF5q3P3UXHkDbScrcKRm6Kqu8JV1Zp553V+qZLr8Gdjpu2dVvEvZXl4Jwcc8aar0hnR7xdfzVkpAA==
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

2026-09-17T10:07:16.686963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077705
observed 38d70b1e89d20b070c8b6230b5ab272f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.668599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077705/manifest.json
observed 7538d01a4da751518dc8f9fc1a2a984c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.651807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077705/publication.md
observed e316fbe65076788da8388ea3442f040d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.634874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077705/publication.txt
observed d9090b4ffa4f24e19838d145896f55ce...
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.