OpenTechnical

OT-2026-000034328

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000034328) never changes.

Identity and time

Publication numberOT-2026-000034328 · never reused
Internal UUID01a0ae75-df0e-7e6b-88b2-b30458d167c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034328
StatusPUBLIC

Content hashes

Canonical text75edf0e4431ccea02059389e1bf3d7fc8b480b44e38a6bf960938d3b1b6425f3
Markdown0dcf8547b7e83e2cd7575fadcb37b49a0259a1d7345b7fdb503c03d84663cbcc
PDF
Publication pagef701a95792003531562a877aeae66043d8f1da540aeccb35f2fa99e945213eab
Manifest8c585ec09051db181f5a2eb477aae9d4e98dfe91231eb761fb25d63a488bbcb7

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
SignaturewBFSAYev+aANBEnfYe8Nb3tAaS91Zlerzqlj4/jWQvKdqACk08sp8EPSwb1okf1MPQ8at/U+93vnjoZgLANzBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:31:01.422655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034328
observed f701a95792003531562a877aeae66043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.403817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034328/manifest.json
observed 8c585ec09051db181f5a2eb477aae9d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.385077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034328/publication.md
observed 0dcf8547b7e83e2cd7575fadcb37b49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.368452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034328/publication.txt
observed 75edf0e4431ccea02059389e1bf3d7fc...
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.