OpenTechnical

OT-2026-000078821

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000078821) never changes.

Identity and time

Publication numberOT-2026-000078821 · never reused
Internal UUID01a0ae95-ccbd-7515-bf4b-2068c2fdd169 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078821
StatusPUBLIC

Content hashes

Canonical texta8028d3cc2fc650562a32932cd638e91ac4984ce268eb7a5d84526e65296fa8d
Markdown1f5094534e7a60d03efc628cf21798caa684cb4ac0bfe5065fd169e8244f016b
PDF
Publication page270aac684dd67f1adeb3dd6e4485c9d603f38992af4463fe83f1f000f3906b97
Manifestbde7d9f37e9792448e018ef43af8607a5f7fc91f765408ab624afdb8bf4f7fd5

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
SignatureT5WamdhUamb+bnG0VsV1kMo1kn0v40ooWwJvRIojTaO/arRuBE6dhY84fs02/iyWd6wuoe6ymfmdXO7P57E4BA==
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

2026-09-17T10:05:37.099218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078821
observed 270aac684dd67f1adeb3dd6e4485c9d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.080643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078821/manifest.json
observed bde7d9f37e9792448e018ef43af8607a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.062194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078821/publication.md
observed 1f5094534e7a60d03efc628cf21798ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.043032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078821/publication.txt
observed a8028d3cc2fc650562a32932cd638e91...
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.