OpenTechnical

OT-2026-000073254

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000073254) never changes.

Identity and time

Publication numberOT-2026-000073254 · never reused
Internal UUID01a0ae92-efb6-75d2-8205-927d6b445c92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073254
StatusPUBLIC

Content hashes

Canonical text37de0447eb9907fd2c9e82777035c45dc5fb78eefa5e06c9498efbf59667dbdb
Markdown64c780f8c663e1820fda138e3499d4d18847326afc256998eecbaf730e3cd7d4
PDF
Publication page86c94250f921a130c6dacb7009702aaffdde2665ae7747f1750c883cb57b14df
Manifest807140481619ccec3315353cee2bd97a6b421c0292d452b71db5e55a5a35935c

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
SignaturekSi2sfxdgx30M31Bxmov170eLYhyPUvMpInJ9KA4ElC/ncPr+RKn2JpnISS6LfcmZYTTEIYA/HpS8s7NxDlRCA==
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

2026-09-17T10:21:15.018427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073254
observed 86c94250f921a130c6dacb7009702aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.998252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073254/manifest.json
observed 807140481619ccec3315353cee2bd97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.979592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073254/publication.md
observed 64c780f8c663e1820fda138e3499d4d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.962657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073254/publication.txt
observed 37de0447eb9907fd2c9e82777035c45d...
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.