OpenTechnical

OT-2026-000074457

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074457) never changes.

Identity and time

Publication numberOT-2026-000074457 · never reused
Internal UUID01a0ae93-717a-71cb-9cc3-f3a4acbef5ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074457
StatusPUBLIC

Content hashes

Canonical texte9f151d9004c34f2fef069f49401d5d866135af16f90d8ffb7ee21e0c070a26a
Markdown55611ceccda6f90983556a0daa2c0f7048cf06575ff616333c3a690cfffa5001
PDF
Publication page66cd93f62dc672378cdac4086d6fb546859f225f258053fc93275c07070e1bf2
Manifest603a0281717308dd018691bf09c774937fea839f45d02eae60e1fe14e074a7eb

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
SignatureBEZSNvD60SrhtncLhPD25X2sAlNwbxlgUsZ1m88B91I5/ABEGSqmcfXeFYsh0bbUFi54MPWvgzrOOdfyLUa3Ag==
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

2026-09-17T10:19:24.931174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074457
observed 66cd93f62dc672378cdac4086d6fb546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.911399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074457/manifest.json
observed 603a0281717308dd018691bf09c77493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.890225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074457/publication.md
observed 55611ceccda6f90983556a0daa2c0f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.872274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074457/publication.txt
observed e9f151d9004c34f2fef069f49401d5d8...
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.