OpenTechnical

OT-2026-000057270

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000057270) never changes.

Identity and time

Publication numberOT-2026-000057270 · never reused
Internal UUID01a0ae87-d5bb-7168-b64f-ccc4d4c4c31f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057270
StatusPUBLIC

Content hashes

Canonical texteb374e132df6cb5bfa4d4e0618a416ba7d603ce114d4ceb5c36ea58d5bb3a73e
Markdown906bc8bdc059c88bcfa569cc0172602a99f5b6cb0b79cd4ffe12ad3dff72ab9c
PDF
Publication page0d5f9aec2cff1454389877eb0b2b037b2cd4660f96f89ce25172bcd802b17623
Manifest42e997e68553da47b426db8803de7d40be7bf53c8e500af4f1824caf9b6d5455

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
Signature7f/A83F5fFIid02yxN1gibPD63PWvrQLcvPMnk3dZt2sGrkCEkb5UFw5mrfdHqDA8DQDVhQzLhlI8Uq0tIwUBg==
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

2026-09-17T10:50:20.617384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057270
observed 0d5f9aec2cff1454389877eb0b2b037b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.598051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057270/manifest.json
observed 42e997e68553da47b426db8803de7d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.579215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057270/publication.md
observed 906bc8bdc059c88bcfa569cc0172602a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.559492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057270/publication.txt
observed eb374e132df6cb5bfa4d4e0618a416ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:31.254605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057270
observed 0d5f9aec2cff1454389877eb0b2b037b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:31.235301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057270/manifest.json
observed 42e997e68553da47b426db8803de7d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:31.218696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057270/publication.md
observed 906bc8bdc059c88bcfa569cc0172602a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:31.197744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057270/publication.txt
observed eb374e132df6cb5bfa4d4e0618a416ba...
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.