OpenTechnical

OT-2026-000007316

Publication integrity record

Vacuum cup gripper, three stage ejector, pulsed blow off after set down, polyurethane cups

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-2026-000007316) never changes.

Identity and time

Publication numberOT-2026-000007316 · never reused
Internal UUID01a0a97a-6a59-7ff8-80c9-e37d4054ad45 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:09:27.260594Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007316
StatusPUBLIC

Content hashes

Canonical textda7db809a0d809a4e20b827984220c7fce96b66aee49b9e5f6b85823ac824274
Markdown4e00e7b0f495bac7a64dea70b9bd8b52416aca6996667b91c5a22dcb265e8285
PDF
Publication paged7483b17d828660c5f18a554a64d2339c75e2458838b8de1f6c39f684e653954
Manifest26396d97e4e583be0e38560b5c90f260779c25c9b2e13534e52757922249a877

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
Signature8JjbX8dSGS3BAtnVij1mNu5P8mKIuRyHbdF01MsIwsMMLVfhAI1r00SZC0aC/SpeQ8Tp3uYg4soehI6kudiSDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:04.679746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007316
observed d7483b17d828660c5f18a554a64d2339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.666877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007316/manifest.json
observed 26396d97e4e583be0e38560b5c90f260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.654845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007316/publication.md
observed 4e00e7b0f495bac7a64dea70b9bd8b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.641286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007316/publication.txt
observed da7db809a0d809a4e20b827984220c7f...
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.