OpenTechnical

OT-2026-000049313

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000049313) never changes.

Identity and time

Publication numberOT-2026-000049313 · never reused
Internal UUID01a0ae81-1350-792c-9d5c-ad36870f4a32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049313
StatusPUBLIC

Content hashes

Canonical text03661bab63bc2e8e73beab8c00938b9ce45b5e92fa9ed02c0f307a568c3b598a
Markdown62b70576638bd9f4b8906e174bf1b93762837dbe35c8108d3410d5393f9a07bb
PDF
Publication pagee5a0a1d3dc9f6a297bc8f2dfb2f5e8509cfb8e9690438f36f52a8771f9c4ae46
Manifest89f3215bf49a08596253d50e173a0373373aa1b1ae47d10bdcd5ab492012bdbc

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
SignatureS+eZ4R3EGqLTWRfVCPGOg8+RjfymZpfC3/TgYLQ2An8XsYm07zLnBU8bIrQg45pYYKohzktC1NfuRAvKsM7/DA==
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

2026-09-17T11:04:10.956651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049313
observed e5a0a1d3dc9f6a297bc8f2dfb2f5e850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.926003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049313/manifest.json
observed 89f3215bf49a08596253d50e173a0373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.905655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049313/publication.md
observed 62b70576638bd9f4b8906e174bf1b937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.883830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049313/publication.txt
observed 03661bab63bc2e8e73beab8c00938b9c...
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.