OpenTechnical

OT-2026-000054885

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000054885) never changes.

Identity and time

Publication numberOT-2026-000054885 · never reused
Internal UUID01a0ae86-1285-7b48-b642-6b8ef3cec6b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054885
StatusPUBLIC

Content hashes

Canonical text8e451e8b91e390ff122deac766b76341a721155b8d30ed7a0725f5fa54ad57c1
Markdownb3c8657a2458726b45899811e1757b6414fa9fa8b77e0f2d54e58cfdc9c4da79
PDF
Publication pageb8b01396127f551daf505bb04bf2dd34968278510611afc1aae202d7be934725
Manifest7256f13306976699934239ab5a6b35825baf3780d327894669fa789c902f48e1

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
Signature9qeTxUF89+QhP2VV5ItWJCiOjtG4oHwfk28tHr4ZawXMHoaC5nEszvEP+vekd5QLvdTJFJ3OzpSVmldSe4LCDw==
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

2026-09-17T10:54:06.610182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054885
observed b8b01396127f551daf505bb04bf2dd34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.592279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054885/manifest.json
observed 7256f13306976699934239ab5a6b3582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.574430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054885/publication.md
observed b3c8657a2458726b45899811e1757b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.555765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054885/publication.txt
observed 8e451e8b91e390ff122deac766b76341...
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.