OpenTechnical

OT-2026-000081502

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000081502) never changes.

Identity and time

Publication numberOT-2026-000081502 · never reused
Internal UUID01a0ae97-0f70-70f1-8645-6e5b0e5d2042 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081502
StatusPUBLIC

Content hashes

Canonical textb28613dce54feceefd6a6fd538a2ce059a449ef6ce9a2c5443ca8e945c077c4b
Markdown639f9efa990f1024481402a447c01dad77bf09dfe9a654a949b2437b027df589
PDF
Publication page89b9d363bc3182dc25a8945e238760186bbdf2314efd6f4f3691ac2a23b099f8
Manifestccc539f4e639098cdb123533b1ccefe94a5028814f45de36fc733dc868cfe878

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
SignatureW4UfqRtKBHXDdji1cFEOzGmL83eravP9OMj7fB1w16585SmVNDYpY8prmjvkyQWCJvvE5DKx3afyor07Ju6HBA==
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

2026-09-17T09:59:30.928498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081502
observed 89b9d363bc3182dc25a8945e23876018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.909520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081502/manifest.json
observed ccc539f4e639098cdb123533b1ccefe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.890496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081502/publication.md
observed 639f9efa990f1024481402a447c01dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.872345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081502/publication.txt
observed b28613dce54feceefd6a6fd538a2ce05...
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.