OpenTechnical

OT-2026-000061647

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000061647) never changes.

Identity and time

Publication numberOT-2026-000061647 · never reused
Internal UUID01a0ae8b-7b45-7dee-8aa8-995ef5b9d5a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061647
StatusPUBLIC

Content hashes

Canonical text48130af8d8b8a273813df385c417a335118e0c9f4f6873b599625c02afe40346
Markdown6cdbf2fac2cdd899899ca74426219c7792a426e7b6ba7938d3fe24ab21494211
PDF
Publication page5df09665045e1555af3958d3e490399d48ed009316d73cb91d36e5a51330b325
Manifest97180eb90d5023e16f92899267e4689efcfe01b8e40682e71da7871a94c37eca

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
Signature7pJ4t8pWgJte5cUzPw/Fxtmys3s01v4Zu+c6T15Y+gCI1FX+qmA9gFtJ1fktmNUx2FRoqYYff17rQJc9lMolBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:35.443216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061647
observed 5df09665045e1555af3958d3e490399d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.420214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061647/manifest.json
observed 97180eb90d5023e16f92899267e4689e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.392682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061647/publication.md
observed 6cdbf2fac2cdd899899ca74426219c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.370835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061647/publication.txt
observed 48130af8d8b8a273813df385c417a335...
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.