OpenTechnical

OT-2026-000026115

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000026115) never changes.

Identity and time

Publication numberOT-2026-000026115 · never reused
Internal UUID01a0ae71-a840-7bb8-b4f2-ac7fc26af6c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026115
StatusPUBLIC

Content hashes

Canonical text225629af3952472174de9c806ec90beae601ba3d7908fc256b946ec549962537
Markdown98207866f73c814cec2d64a1454287cd8756e064ac628b0c437fb96ebc0d84dc
PDF
Publication page4664f5f65d577ec0ca9f8b13f87b328d8b342a7107131450fc06eef93f841fe2
Manifest90798f4d3f7ee573f5af201791efc569301e71e67d010a345ad88aa4141bcdb8

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
SignatureoiyBndGUe+8WAhGqJcI0fD8IB3mA6hTfg7RC1ng7zcG13zKg/H0shScfmxv4aqvVY9dhdPicDx8vC2azNGvrDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:37.215516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026115
observed 4664f5f65d577ec0ca9f8b13f87b328d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:37.197627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026115/manifest.json
observed 90798f4d3f7ee573f5af201791efc569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:37.178811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026115/publication.md
observed 98207866f73c814cec2d64a1454287cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:37.161263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026115/publication.txt
observed 225629af3952472174de9c806ec90bea...
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.