OpenTechnical

OT-2026-000074114

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000074114) never changes.

Identity and time

Publication numberOT-2026-000074114 · never reused
Internal UUID01a0ae93-7177-74aa-85cb-5fd6dbf73e8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074114
StatusPUBLIC

Content hashes

Canonical text31d477ce83482065f4a94a04b206f840e4d6dd4a60d677d223210412bfcf06c1
Markdowna40a5e39d81efc4161ae13ff6379f852ed3c6f7cc5198d1adbf2421e8e615e3c
PDF
Publication page6ee7cfb7480189f6d4eb96545f13baa39a78dea9b0ee7ca9e983da9565a3f494
Manifest88bf2a36fd195fa64907fe6a183fbf7857b69b8899bd227c51b8e6617aa505e3

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
SignaturehdLR2jTmey3uOTTCM2FtHSSaSJJ/5PW3UQ8mH8mZR9MmywOTqgnxz6WnfCJGjNm0ji8bl+XkacVkfHLHxIFcDg==
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

2026-09-17T10:18:57.111104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074114
observed 6ee7cfb7480189f6d4eb96545f13baa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.094190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074114/manifest.json
observed 88bf2a36fd195fa64907fe6a183fbf78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.077363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074114/publication.md
observed a40a5e39d81efc4161ae13ff6379f852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.060544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074114/publication.txt
observed 31d477ce83482065f4a94a04b206f840...
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.