OpenTechnical

OT-2026-000079957

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three 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-2026-000079957) never changes.

Identity and time

Publication numberOT-2026-000079957 · never reused
Internal UUID01a0ae96-4377-7b28-b484-e146f4811c4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079957
StatusPUBLIC

Content hashes

Canonical text4ebf78b6cd1b7a4a9fe6106dbc8a64ecdd8cd3993a2fbc9bdf90b307f897a448
Markdownc715cc501e16f705e0c55579bf6822960a248c471f271b0bb58a7a6831e72bab
PDF
Publication page2597abefd52aa19167d82c11fe723429adf63bc55900224f1a0e67a09c3a224a
Manifest2ca2ddaa1372fa6ce02ea0837ec7023b982988c8a53e702e2e854555424e3b5c

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
SignatureaipJt8dguyvTpl9hiU5dmDKQZ4wQVtr0O4vWBOkO7zJMov3z/v8M2patmhw2Sl7/EOHqxLUmd91DQe6JC8quBA==
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

2026-09-17T10:03:52.056029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079957
observed 2597abefd52aa19167d82c11fe723429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.038794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079957/manifest.json
observed 2ca2ddaa1372fa6ce02ea0837ec7023b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.018373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079957/publication.md
observed c715cc501e16f705e0c55579bf682296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.999529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079957/publication.txt
observed 4ebf78b6cd1b7a4a9fe6106dbc8a64ec...
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.