OpenTechnical

OT-2026-000073739

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold 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-2026-000073739) never changes.

Identity and time

Publication numberOT-2026-000073739 · never reused
Internal UUID01a0ae93-2b8d-713a-bb36-ff9fc223e140 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073739
StatusPUBLIC

Content hashes

Canonical textdb38e961f71967e402ccbf1279f7c5d6ee0826dfef522fb16054b19ed8f754f7
Markdownab104e01fef787869cd8a16f80f2c943d31018b628d3a5839fe92174e6fbe312
PDF
Publication page16f0d76d79e37943e840ae4d6e0bce9f71df718d49cd477c515edc0421f2f49e
Manifest7ac4e32375efd5d43fa30b8cb150cd9af930a1b1d2899fac33f58b1a8cd07066

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
SignatureVXvDVT/z5gvIgtURnri/cGlF1+ov76PQwoSNpweMYbhkNl5TLnebA2ACt6VD8h6cjbnlb69U3SOY9MpShXRhDg==
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

2026-09-17T10:19:49.175378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073739
observed 16f0d76d79e37943e840ae4d6e0bce9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:49.155416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073739/manifest.json
observed 7ac4e32375efd5d43fa30b8cb150cd9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:49.135536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073739/publication.md
observed ab104e01fef787869cd8a16f80f2c943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:49.115137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073739/publication.txt
observed db38e961f71967e402ccbf1279f7c5d6...
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.