OpenTechnical

OT-2026-000049544

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed 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-2026-000049544) never changes.

Identity and time

Publication numberOT-2026-000049544 · never reused
Internal UUID01a0ae81-8f7d-7237-a1ef-0dfebe5834ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049544
StatusPUBLIC

Content hashes

Canonical text4557496fbb44e9d3996f52fcd5df7beb787953cabf2f7833b09c772603e4e3e1
Markdownc64b68c59a6b1fb50ea6b87e956143bf6528dd82b06c3c55056f2d6c43429259
PDF
Publication page2584a9db6afccedf305c7d90a14657a1dc79a397ccaf825d422b2fa66338a741
Manifest20384e51d88039db6251df2a8444c340be4feee1f6840186788d936d9ac64bba

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
SignaturedRTVVuVsS7xV/fsAa1lrFv5QQJ/HK2ZBMKAjRDkKVfK/dX6K4OXhVhvn8Mq2YFS1O+YetwaCCA77eEMe5odOAw==
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

2026-09-17T11:02:24.698864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049544
observed 2584a9db6afccedf305c7d90a14657a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:24.678395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049544/manifest.json
observed 20384e51d88039db6251df2a8444c340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:24.659306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049544/publication.md
observed c64b68c59a6b1fb50ea6b87e956143bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:24.641752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049544/publication.txt
observed 4557496fbb44e9d3996f52fcd5df7beb...
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.