OpenTechnical

OT-2026-000070666

Publication integrity record

Single bellows cup vacuum gripper, pump fed, 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-2026-000070666) never changes.

Identity and time

Publication numberOT-2026-000070666 · never reused
Internal UUID01a0ae91-8c2c-7e09-a503-c3552bd186bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070666
StatusPUBLIC

Content hashes

Canonical textca2cbc6362efb7d5895a0759d5839b89107027848afaca746853b632c06d3f68
Markdowna9771c0cde17d1ad10d7a074cee0ca0f72e0a487798d0c00e862d7d4ac4a9a97
PDF
Publication page54c95eaab6f6e60fc107e2e683a353063583378c3073f2acca96d306052f55b2
Manifestaa959c51440d06506b6fa0cfa94e015cd0dbcc2aa60df4a4d72009c87652f640

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
SignatureoDTxdsRLtfGfzuT0ZrUFIu/jSnCkVU/3MMlbFAyIwyd+g+aNkXjyPDUUy5k2DEOTpnw2Ad0N4bjOiEW2NiG1Aw==
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

2026-09-17T10:25:20.473638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070666
observed 54c95eaab6f6e60fc107e2e683a35306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:20.457400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070666/manifest.json
observed aa959c51440d06506b6fa0cfa94e015c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:20.440621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070666/publication.md
observed a9771c0cde17d1ad10d7a074cee0ca0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:20.423107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070666/publication.txt
observed ca2cbc6362efb7d5895a0759d5839b89...
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.