OpenTechnical

OT-2026-000056241

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000056241) never changes.

Identity and time

Publication numberOT-2026-000056241 · never reused
Internal UUID01a0ae87-4bd1-7a76-9043-7688cf941435 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056241
StatusPUBLIC

Content hashes

Canonical textae8501389f720a57bb6eb2d48344a0db10a3aff0b0dcc483e92e3b3df5ed20ae
Markdown09f648485321184cd7b7d635044cd131f63d6a54a548f3fe620aee00663a6a0a
PDF
Publication page52a7125e21d990df0194d5234620bd31b569d5aa618692c43c35ce0c32bdba49
Manifestd0ad31e4b82d4963b7ef5f10d34ece0d1bc4c8b4a2e1135ef5d7c20dbae4364c

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
Signatured61dk3/8H5v9uJ01/DvtOSQOWcN2CJXm67wCRn8XNwpyqqrG146L9ct3x0CIuImShikPa2HKdruj2SpngKqKCQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:43.244281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056241
observed 52a7125e21d990df0194d5234620bd31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.226440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056241/manifest.json
observed d0ad31e4b82d4963b7ef5f10d34ece0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.210055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056241/publication.md
observed 09f648485321184cd7b7d635044cd131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.192189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056241/publication.txt
observed ae8501389f720a57bb6eb2d48344a0db...
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.