OpenTechnical

OT-2026-000073747

Publication integrity record

Foam pad 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-2026-000073747) never changes.

Identity and time

Publication numberOT-2026-000073747 · never reused
Internal UUID01a0ae93-2b8d-7f52-87ce-5c496b9f7287 · 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-2026-000073747
StatusPUBLIC

Content hashes

Canonical text62d39965c1941028588d78b0d183c7ba4d2f2b1aeddd062cbf53b535cab478d4
Markdownb6e270d8ee4b023b27fcda559b8e6c36edc33ccf83a62995aec45ba0f1207fe4
PDF
Publication pagedbc69b3e0005a42bc28082fd84238c1f10ca209aa96f9e2c47e598159705227f
Manifestd3017b76738a32b1897f476056fb5e3368b2e3ebc2bc562678713153e96432ea

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
SignatureS71Ykkket+pef2sH2sSPHtt9wappmir8Ep03y//RNHxhR1A9ksWcDxTxGNx1jbBm8zef4/hIblM5wpsEbahKAQ==
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

2026-09-17T10:19:49.986367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073747
observed dbc69b3e0005a42bc28082fd84238c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:49.961530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073747/manifest.json
observed d3017b76738a32b1897f476056fb5e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:49.941123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073747/publication.md
observed b6e270d8ee4b023b27fcda559b8e6c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:49.922617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073747/publication.txt
observed 62d39965c1941028588d78b0d183c7ba...
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.