OpenTechnical

OT-2026-000079537

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000079537) never changes.

Identity and time

Publication numberOT-2026-000079537 · never reused
Internal UUID01a0ae96-0b92-79d7-830d-a98e49b8b65e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079537
StatusPUBLIC

Content hashes

Canonical textcde4571caae043970a37f23d78363ab3c9993e4515166aac2a2014b6645b7d1c
Markdown224dcfaaee244611d26db63fb774721c0b661d2989c0c6ee9c210b8b569d6bfc
PDF
Publication pagea4764e99c3d94644d59a23e4be4392256435a3472487239e4df625b2244252ff
Manifest6651f8155edada748aead2a49c4856561124a118e7dd7636848d2305bea5c694

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
SignatureU2vPTSfKy4KvWDrge4RlQLxHIL7+zdmuMHBso8ogk0MupXu0d4db+Y5mzDtzr14W+R7Md4m+ZxAsc6VewUxSDw==
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

2026-09-17T10:05:11.034686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079537
observed a4764e99c3d94644d59a23e4be439225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.017924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079537/manifest.json
observed 6651f8155edada748aead2a49c485656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.996610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079537/publication.md
observed 224dcfaaee244611d26db63fb774721c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.978534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079537/publication.txt
observed cde4571caae043970a37f23d78363ab3...
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.