OpenTechnical

OT-2026-000061618

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, vented after 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-2026-000061618) never changes.

Identity and time

Publication numberOT-2026-000061618 · never reused
Internal UUID01a0ae8b-7b45-7256-bd20-3b6ca4dbaf21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061618
StatusPUBLIC

Content hashes

Canonical text94d645bd58d9e30656b69e2b25bc5bba93f336852b0a3e7814f8cc554499c98c
Markdown15399c2d8dee18d5a3e600ade306c302c60448a6f6487106efb9fbdcd9100ee7
PDF
Publication page93f577b26825000ad5728215a41124f22081156ee961ff4f4b7b379d864e525a
Manifest5b6c6f5adfd7717fd4f6f4d65857c3b72d49894e73c52bad250fc0d851a59c21

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
Signature6urk7DHEP9NabnnoTjUBLPrxltDzHpoyNgy84U1J4RHC5uD8g6c8PVq5czlSzRIaMbbj6RRuzx893RduzzQEAg==
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

2026-09-17T10:41:33.025311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061618
observed 93f577b26825000ad5728215a41124f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.004815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061618/manifest.json
observed 5b6c6f5adfd7717fd4f6f4d65857c3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.986475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061618/publication.md
observed 15399c2d8dee18d5a3e600ade306c302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.967458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061618/publication.txt
observed 94d645bd58d9e30656b69e2b25bc5bba...
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.