OpenTechnical

OT-2026-000083677

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, sustained 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-2026-000083677) never changes.

Identity and time

Publication numberOT-2026-000083677 · never reused
Internal UUID01a0ae98-0416-7a5b-b778-e719d37ba836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083677
StatusPUBLIC

Content hashes

Canonical text8ddf502b0e626b535cf31d7d477b48a5567d0e0e7bab2a76d9483952c34a427f
Markdownfda5010f311e949311f8e0ae46effdd6975f680ad1f9e26437e870a8de839922
PDF
Publication page8cacd08e3e7e303491529e642daadf6ffecdb59c88e6155970a006b8b5d9de02
Manifest1330c6a1db26668eaf5fb5d0b979947ae4c9c09acc976a0ce68ec000ce7dbf0e

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
Signature5KmMuufivLvoark6X5QJDJXhCjt7l4fO8cX48r+46JFotgkJMLSozru8HGYiXqMYZb5iRC3TMzipPd7ifmjhDw==
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

2026-09-17T09:57:18.062588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083677
observed 8cacd08e3e7e303491529e642daadf6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.045011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083677/manifest.json
observed 1330c6a1db26668eaf5fb5d0b979947a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.027607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083677/publication.md
observed fda5010f311e949311f8e0ae46effdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.008652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083677/publication.txt
observed 8ddf502b0e626b535cf31d7d477b48a5...
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.