OpenTechnical

OT-2026-000089634

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000089634) never changes.

Identity and time

Publication numberOT-2026-000089634 · never reused
Internal UUID01a0ae9c-1a21-752e-ac4d-0391e7d6af20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089634
StatusPUBLIC

Content hashes

Canonical textd2b51fdec338f0287bfea2f0fc0113c6096c138b55793847bb097f8d4da9f9bd
Markdownf3c8287a4b4581eb9c216535c8f58dc2a4d64e2e61f9122a0f099de6779d26c6
PDF
Publication pagecdc1c236e52c75f93913da8e68c1a71ed9758900c4706e3bd6065bbdcbd6de16
Manifest25c6944c45759a1ff6f345d2b8d643580e0a649c3b9d8f697a9d20cfd9783e1d

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
Signature7O0yzYL09mPjp+a9J/P8Q6R9m6eimnAnXrE6n2+1HQKIAfYecYhqC/wBouyA82gGQrO9aqi2z8avidXGkK+VCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:37.332761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089634
observed cdc1c236e52c75f93913da8e68c1a71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:37.315739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089634/manifest.json
observed 25c6944c45759a1ff6f345d2b8d64358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:37.296751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089634/publication.md
observed f3c8287a4b4581eb9c216535c8f58dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:37.278482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089634/publication.txt
observed d2b51fdec338f0287bfea2f0fc0113c6...
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.