OpenTechnical

OT-2026-000061803

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000061803) never changes.

Identity and time

Publication numberOT-2026-000061803 · never reused
Internal UUID01a0ae8b-b8ac-7e6d-98d9-ccdbd8c2a643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061803
StatusPUBLIC

Content hashes

Canonical text0967fe4f3ba450e339a847d3301737ff3079e6ba6136bae101f7bab1b0d8f647
Markdownb7e89838ebed7891f7e7cffdc45ce2f33f7110a2ac2d62e97b98677f15e0cc7c
PDF
Publication pagedd323b53db183a3907d7c30dba54e25033237aff0240aa3b17208010f67b899d
Manifestd2e5067fba1f695c6af2727661d8a0fb9d665dfdcda71c0cff31f541461e702f

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
SignaturefvKLbA91MaxF+kvTCnzn6bYs12CTVDd7IJek1Yd7kkK84iqrPbNseEASXXIWDGEzT5KOYY7/mjYVgpXnJSivBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:31.686149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061803
observed dd323b53db183a3907d7c30dba54e250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.665477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061803/manifest.json
observed d2e5067fba1f695c6af2727661d8a0fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.643976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061803/publication.md
observed b7e89838ebed7891f7e7cffdc45ce2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.588606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061803/publication.txt
observed 0967fe4f3ba450e339a847d3301737ff...
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.