OpenTechnical

OT-2026-000054968

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000054968) never changes.

Identity and time

Publication numberOT-2026-000054968 · never reused
Internal UUID01a0ae86-5e80-7477-b162-f82c4d796952 · 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-2026-000054968
StatusPUBLIC

Content hashes

Canonical text42938902b77b849d26b20fbf783cc17a59d25c009b1194503e21de49f054a38b
Markdownba48b842ddbf582c6b501d7002da111b83ac87b024646212e9c150d8c2de1184
PDF
Publication page573b2f26872cadf281df06736731f8b130a6499a1228384381d697c360d9a4b7
Manifestea6f224e98f713b7a56178ca09defea986c0f9f2deaea7890d813c745591c439

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
SignatureGaGMRRj8vz6oWW/4NZRr2SgwhFS4Ex7agrQGRwmvd//DkEjKsx7aqO4Yy8D9n00lY1a8J/IaIxmHoq3q1D/dAg==
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

2026-09-17T10:53:04.606428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054968
observed 573b2f26872cadf281df06736731f8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.587027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054968/manifest.json
observed ea6f224e98f713b7a56178ca09defea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.568369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054968/publication.md
observed ba48b842ddbf582c6b501d7002da111b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.532267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054968/publication.txt
observed 42938902b77b849d26b20fbf783cc17a...
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.