OpenTechnical

OT-2026-000077733

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077733) never changes.

Identity and time

Publication numberOT-2026-000077733 · never reused
Internal UUID01a0ae95-2ecf-7ba9-934e-f60edfdce252 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077733
StatusPUBLIC

Content hashes

Canonical text918c273a5b5116d0f2abcebabbdcba6b46d7ed9642f8b01fe3ad81ab1ba7263c
Markdown47f989faf5b7bfd4e8ea792fbedff8bf2cd1d52b10f90dc18fd13c1b381c7f7e
PDF
Publication pagea68e952d2adfa146dd8413891b4aee9d920dbb1ae57fd19617f02cb0790c762a
Manifestc3f1d8e911b603138d0172aa185d5ee1f00949e8997feb345c3ea738b7f2df76

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
Signature0grZN0ryd8fZY7M4Am05D43EuOAYsQ5bEMwfxXk+/Pu/xpvTfTvIj2k9abf04zUN4NhJuuRA4OT4wjZYbFX0DQ==
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

2026-09-17T10:07:18.690420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077733
observed a68e952d2adfa146dd8413891b4aee9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.671094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077733/manifest.json
observed c3f1d8e911b603138d0172aa185d5ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.652661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077733/publication.md
observed 47f989faf5b7bfd4e8ea792fbedff8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.631324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077733/publication.txt
observed 918c273a5b5116d0f2abcebabbdcba6b...
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.