OpenTechnical

OT-2026-000049826

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000049826) never changes.

Identity and time

Publication numberOT-2026-000049826 · never reused
Internal UUID01a0ae81-8ff0-7eef-951c-2df5c3fef91b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049826
StatusPUBLIC

Content hashes

Canonical text001f43acf6daffdfff52bed09b67a8c8a4dbdde9def6a50acf99454648af224c
Markdownd94c4b3979843e8e8569d1b89e2c064e3f52693161d7275c5fb732552d40a53b
PDF
Publication pagefde68e3a32aad494d183f29264a6bb2fa4734dc6d16a89b1578491b9953e39d2
Manifest5900015a8b58c716b94bc9e786477b3bece7d8948835df98c7f0ea8d98c800a4

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
SignatureJwEtL25gy1A3BGuYn67Cpe0eNtObnc07egFvzvza3MQ8+kMnvSO8lX+LMtTHocL4Ut4aMcXll7D4KUYxGrAkBg==
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

2026-09-17T11:02:57.615903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049826
observed fde68e3a32aad494d183f29264a6bb2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.595788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049826/manifest.json
observed 5900015a8b58c716b94bc9e786477b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.575185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049826/publication.md
observed d94c4b3979843e8e8569d1b89e2c064e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.557023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049826/publication.txt
observed 001f43acf6daffdfff52bed09b67a8c8...
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.