OpenTechnical

OT-2026-000080357

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single 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-2026-000080357) never changes.

Identity and time

Publication numberOT-2026-000080357 · never reused
Internal UUID01a0ae96-7e77-7a4a-9af6-3f5a6a020808 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080357
StatusPUBLIC

Content hashes

Canonical text011818a40c777c8165af772e238c6ae8372e4256b5df9b12a17c2e9988616b1b
Markdownf498f8c1421e2a4e6ae959ea85677d0af6be4e53153111cb3e49ef88040c8a14
PDF
Publication page69d6b3a4ca6d557df22582c7c0deed25e1a9a00f17a57e49c88da5176f89f1a9
Manifest9682d16004954017a8061458c8f96e2ce029a0cca610df8b8a7dd355c0e0fa8a

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
SignaturegZ06lmWUF/za7PshvP0vdQPLuJZVqAN+5CspBgcntvzUc0x7nrfwwPDSv+3HFRrSZ74ydeTbdfw+LOJmhAGhDw==
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

2026-09-17T10:02:50.501478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080357
observed 69d6b3a4ca6d557df22582c7c0deed25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.484119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080357/manifest.json
observed 9682d16004954017a8061458c8f96e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.462421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080357/publication.md
observed f498f8c1421e2a4e6ae959ea85677d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.443621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080357/publication.txt
observed 011818a40c777c8165af772e238c6ae8...
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.