OpenTechnical

OT-2026-000072495

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line 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-2026-000072495) never changes.

Identity and time

Publication numberOT-2026-000072495 · never reused
Internal UUID01a0ae92-89d8-7bd0-97bc-58243e772392 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072495
StatusPUBLIC

Content hashes

Canonical text0bf1c380a1c0c0e1629c141fdd67968d505a8a5e2be1e769d834c376d893e38c
Markdown215a49cc176e35f3f1cbb7ea29ccc89b51a4cc923c57a4208f94889cfd508f80
PDF
Publication page59e56205e00312fc526d65b70bd72b42803b173b93b953f431bfea42c8c08c3a
Manifest24d69229bffe84e5fd070eb0400df949b2d20787f7a0ec7f073df4f466326a7b

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
SignatureHKNrKaWynN2qU0IcITAtJ2etPo54S09hICmgCxJtp9O1fXMKH/1j8/ltxtcvmhkDvFxmLARSWcGkANjzxz2rCg==
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

2026-09-17T10:22:19.304690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072495
observed 59e56205e00312fc526d65b70bd72b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.285895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072495/manifest.json
observed 24d69229bffe84e5fd070eb0400df949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.268298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072495/publication.md
observed 215a49cc176e35f3f1cbb7ea29ccc89b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.251162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072495/publication.txt
observed 0bf1c380a1c0c0e1629c141fdd67968d...
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.