OpenTechnical

OT-2026-000054912

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000054912) never changes.

Identity and time

Publication numberOT-2026-000054912 · never reused
Internal UUID01a0ae86-5e7f-7854-89e9-137834f7037e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054912
StatusPUBLIC

Content hashes

Canonical text67b28d1a0fd778647625c0415508572725b07142ba4a29890a3034c411473259
Markdownd8b811cda8a187f528f2c8ded1bd24ea7c57187c5df1b048a6943e0120cac1ef
PDF
Publication page42ed4f0d799aac1e164aefffb35eb55a4e9a5a76f7eec7dc1c8c74c30b1c0b97
Manifestee76f7c826721849dba17288d9cee67ba834fa4d05749d485e657e40af5daf76

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
SignatureijtNPAYbDMwXG/wwZQDUR5Iqzto2eaO+Trrx9EaKoplAhbwKYbgq0Muq8YaiFrlxLeTUFMA4OscXhhddq0x0Bg==
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

2026-09-17T10:53:00.668146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054912
observed 42ed4f0d799aac1e164aefffb35eb55a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.650405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054912/manifest.json
observed ee76f7c826721849dba17288d9cee67b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.631813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054912/publication.md
observed d8b811cda8a187f528f2c8ded1bd24ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.614481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054912/publication.txt
observed 67b28d1a0fd778647625c04155085727...
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.