OpenTechnical

OT-2026-000054489

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000054489) never changes.

Identity and time

Publication numberOT-2026-000054489 · never reused
Internal UUID01a0ae86-1283-71f7-98fc-745dde03ff2a · 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-2026-000054489
StatusPUBLIC

Content hashes

Canonical text58ba570ab0297673cd60c0e70afd3b187e23e2819db4b88e04186faf46ef7e9e
Markdown5ef385ca1aa6e3f629cacedf32abe21789142322444752da827e13a8726ac66d
PDF
Publication pagecb269f492d62ec5c1a935a7d48b880401ac7cd0d3ac254b317149935b937e494
Manifest8a1f3c992dd1d1cf260441a53a6036909712fd338a61c84994b3f83276104e98

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
SignatureqV2b+XY812/LDeMcixqdGwR4xvhW1PxtDELZxgIJiWctdpZRDlyhGx8eu06m9iHd6M0VL0kwAJ9rCCW+5bVaCQ==
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

2026-09-17T10:53:29.474533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054489
observed cb269f492d62ec5c1a935a7d48b88040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:29.457366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054489/manifest.json
observed 8a1f3c992dd1d1cf260441a53a603690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:29.439777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054489/publication.md
observed 5ef385ca1aa6e3f629cacedf32abe217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:29.421658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054489/publication.txt
observed 58ba570ab0297673cd60c0e70afd3b18...
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.