OpenTechnical

OT-2026-000071099

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000071099) never changes.

Identity and time

Publication numberOT-2026-000071099 · never reused
Internal UUID01a0ae91-8c2f-7e8f-9c85-7b6fa9cddff5 · 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-2026-000071099
StatusPUBLIC

Content hashes

Canonical text7aab2272f7701a57531736b441d00f88cfcaeedd933eb1a4e0414fc258700e48
Markdown772d73750b3bc2e8b4fcea9b780469e6ea8ef5b3bcd176b83fba77af39f5ff5c
PDF
Publication pagec0b553438679dd291b0ad8fb83d06189a1d4ed656c6eb6583b537d5f3c1ec33d
Manifest7d87b96c0bfbbe1c8bfe57460c90f474ab8d9d4e26f4ee0e261b779b105d785d

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
Signature/vmVdOSXNBEFZJG2jm7RB6k1p7iakD5lOiO74W5ArRkCOORH+IUKP4J7wGm4Sx+6miUH410+ok6b5MGooM2IBg==
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

2026-09-17T10:25:57.768418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071099
observed c0b553438679dd291b0ad8fb83d06189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.752844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071099/manifest.json
observed 7d87b96c0bfbbe1c8bfe57460c90f474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.735802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071099/publication.md
observed 772d73750b3bc2e8b4fcea9b780469e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.719563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071099/publication.txt
observed 7aab2272f7701a57531736b441d00f88...
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.