OpenTechnical

OT-2026-000074045

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold 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-2026-000074045) never changes.

Identity and time

Publication numberOT-2026-000074045 · never reused
Internal UUID01a0ae93-2b8f-77cb-9bb2-05b3e6254640 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074045
StatusPUBLIC

Content hashes

Canonical text88205fe32af0ee54a63a0f41bdc72c4c45afc6a609e51e65df8c3d43d3a872c8
Markdown8716ea71fc92f42fc6f9b15d9ae7a7a35b02dae920aa4304331a19a6d7523a84
PDF
Publication page5855dfa3c01c2e439fada90b2c9aab609a49a2e3884d38f5dc1d352411bd94f5
Manifestc401c16a586d6b410cc44cc385e6475017b3c23c89dc2ff8582bc230642b5ba2

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
SignatureoZG3NrJqnKFALVt/y70ESU6Ov+bjo2Jb/xp3DaWTwVmHY4rUBizy+4BEF/Y5hmA5QpbsScgrhHc+uei+nyJlBQ==
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

2026-09-17T10:20:22.094535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074045
observed 5855dfa3c01c2e439fada90b2c9aab60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.071029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074045/manifest.json
observed c401c16a586d6b410cc44cc385e64750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.048781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074045/publication.md
observed 8716ea71fc92f42fc6f9b15d9ae7a7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.027403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074045/publication.txt
observed 88205fe32af0ee54a63a0f41bdc72c4c...
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.