OpenTechnical

OT-2026-000038026

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000038026) never changes.

Identity and time

Publication numberOT-2026-000038026 · never reused
Internal UUID01a0ae77-f88b-730a-b4ef-ad0d46548993 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038026
StatusPUBLIC

Content hashes

Canonical text530255adffb0bd2983328f7a7f2f8719470026c7e46a905b66de3402ec6359e3
Markdownd10bf85cbfe396ce9abf2c5cd4ac9afda4ae7a8b6a52180756569922f934085a
PDF
Publication pagef1af305a5fadb3d1effd6e2c666cf3034c392c3066effc7b90ac70f690ab03a2
Manifest145be8f422d048fb191565b7137ead618c48740d55cb9b980c0a388818afacf7

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
SignatureGCOzcyAEfHRMFhHKiNZWW4AOsY77AY6crbcMO2+c5R/0OhZA5Bk6GTsyYvwKu05JAy/4kc7m7mTIkkS1Sr53BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:20.111527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038026
observed f1af305a5fadb3d1effd6e2c666cf303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:20.094347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038026/manifest.json
observed 145be8f422d048fb191565b7137ead61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:20.076837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038026/publication.md
observed d10bf85cbfe396ce9abf2c5cd4ac9afd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:20.059940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038026/publication.txt
observed 530255adffb0bd2983328f7a7f2f8719...
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.