OpenTechnical

OT-2026-000079838

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000079838) never changes.

Identity and time

Publication numberOT-2026-000079838 · never reused
Internal UUID01a0ae96-4376-7a7d-af36-d0fb6e5958d2 · 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-2026-000079838
StatusPUBLIC

Content hashes

Canonical text3a9c0057fd96de0f791313e2f332fd7d7cb3051d47c94b882fa9d48dd2ba48f7
Markdown1b533d502142de55ec7c4af74bec9664b867c30f6c4e54c312251841a76f6912
PDF
Publication page60b777710adb6c0b13dee6b604c47d758160ebdf1916a91d700ec6393292b4cc
Manifestf6eeba686e14547ef18b3cc77d90512eac6fcccc26f23e0a207ff1186b562b24

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
Signature9Pr+hHwOSnrDX8Y0zfBmU3HnVnIyHXcfl9L8Ph5sLvSF85Livjhc/fwv+wIUVJ4kb8gKDd3pzO0f+w6gqik5Ag==
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

2026-09-17T10:03:43.380080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079838
observed 60b777710adb6c0b13dee6b604c47d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.363181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079838/manifest.json
observed f6eeba686e14547ef18b3cc77d90512e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.347333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079838/publication.md
observed 1b533d502142de55ec7c4af74bec9664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.330172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079838/publication.txt
observed 3a9c0057fd96de0f791313e2f332fd7d...
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.