OpenTechnical

OT-2026-000088884

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088884) never changes.

Identity and time

Publication numberOT-2026-000088884 · never reused
Internal UUID01a0ae9b-8f11-7e53-9c70-5ee0afb5bb31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088884
StatusPUBLIC

Content hashes

Canonical text183c8e189494a72807c1dd3f43d5e4f3e13b251ce09312221cd645ace2c642f3
Markdownb70cd8ce17c8629e6ec7e94c4788877ace0ef31f5b18dc316b4dd1f7a605028d
PDF
Publication pagee72409fc750a5137120888df4e5ef2d60398c543ab4e5a100b00cb935902bdd7
Manifest1b389f0f5973195a00488bdecb6068071435a553f73008538d91a9c6b36de43e

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
SignaturebrvJFtFhwe25aWodoHdBjAV30aS4tHss1O68MBKPoFvbplTc65bHnT3aLSj5wQekn8qJ0vlKnnWI7dIgqatBBg==
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

2026-09-17T09:48:17.000231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088884
observed e72409fc750a5137120888df4e5ef2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.968299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088884/manifest.json
observed 1b389f0f5973195a00488bdecb606807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.949657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088884/publication.md
observed b70cd8ce17c8629e6ec7e94c4788877a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.917332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088884/publication.txt
observed 183c8e189494a72807c1dd3f43d5e4f3...
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.