OpenTechnical

OT-2026-000057646

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, vented before 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-2026-000057646) never changes.

Identity and time

Publication numberOT-2026-000057646 · never reused
Internal UUID01a0ae88-2694-7d30-9050-294a1873f3a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057646
StatusPUBLIC

Content hashes

Canonical text3e67db23edc30181dd6fef07e0ee3f02fe0f405d2522663d86bbc1d777896b0f
Markdown94f8ba54edd1d4fcd52f22d405def04be5123af97bb43e4caaa159d7c200cf14
PDF
Publication pageffe017a73935d72cc9f6aaeb9d8a1097164dd170dd958a2228600b5e5aadb72d
Manifest2daf308afead84df23609476438cbd2c6c3564404290aae7246411fa706d450e

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
SignaturewuxlyqaNF6JsrIVeVIuSMQZ1GwooygTrxgpdzPGoQTc5LLjWKj2bfDlCQBYPk8BaGXmEYtRHm3OqtxE59AdJBw==
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...

Independent retrieval

2026-09-17T10:48:12.690790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057646
observed ffe017a73935d72cc9f6aaeb9d8a1097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.673120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057646/manifest.json
observed 2daf308afead84df23609476438cbd2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.654508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057646/publication.md
observed 94f8ba54edd1d4fcd52f22d405def04b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.636085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057646/publication.txt
observed 3e67db23edc30181dd6fef07e0ee3f02...
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.