OpenTechnical

OT-2026-000067624

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067624) never changes.

Identity and time

Publication numberOT-2026-000067624 · never reused
Internal UUID01a0ae8f-6bda-7d02-89ef-547e763f15c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067624
StatusPUBLIC

Content hashes

Canonical textff3f0aa085d72bdbe0f4a44ebd7855b3d8e4d702d76cc42c3cf0069c4e265bc9
Markdownff231c715c1a590e66b7a1955a59fce53942dc5bac91aff1e1e08b74c01cb04a
PDF
Publication paged4cc23af034d669e7d7c6766b42781b41a2ba3e0c802aa8c862079a1b96e8e9d
Manifest6e17c5be477567416a45eded98bb32b3babf4ed6c21f436ebf514492c62cbaf8

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
SignatureNKR8M8H9WQmV+4DFsAObxeuE8L/lE6sUK/HgttU2D562Ot1xscOPnKU9CyntPEiI5UOUm0Iw/TOg1SXkm/n5BA==
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

2026-09-17T10:31:56.777867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067624
observed d4cc23af034d669e7d7c6766b42781b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.758847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067624/manifest.json
observed 6e17c5be477567416a45eded98bb32b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.741930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067624/publication.md
observed ff231c715c1a590e66b7a1955a59fce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.723828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067624/publication.txt
observed ff3f0aa085d72bdbe0f4a44ebd7855b3...
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.