OpenTechnical

OT-2026-000049822

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000049822) never changes.

Identity and time

Publication numberOT-2026-000049822 · never reused
Internal UUID01a0ae81-8ff0-7e5f-af21-b27484603c03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049822
StatusPUBLIC

Content hashes

Canonical text8a947339f87067341b13825ecd72e1d771beff3facff4efbb624206b6d6493ba
Markdown7660f10f534555546c0d621b4c0e58a5e1330cc026b5a7ebdc2a34a18aebb1bb
PDF
Publication page9f7859ad242585ee7d7e6c818153be75ee9cd295a8b6e76a23e723fe0f08769e
Manifestb3653d4ac9a14bf6ca2b5b97a00c29691aaf1233180b528744037ef690ce557e

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
Signature6X0+y75747mbpO6VwuGikh3hsrbo7dlX4BWPBtgTe90GMH7Sn3BBZ8XItOogawd+69en5SqrQDB+/+HcBu5BDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:57.278575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049822
observed 9f7859ad242585ee7d7e6c818153be75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.259270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049822/manifest.json
observed b3653d4ac9a14bf6ca2b5b97a00c2969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.243045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049822/publication.md
observed 7660f10f534555546c0d621b4c0e58a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.226110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049822/publication.txt
observed 8a947339f87067341b13825ecd72e1d7...
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.