OpenTechnical

OT-2026-000079964

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000079964) never changes.

Identity and time

Publication numberOT-2026-000079964 · never reused
Internal UUID01a0ae96-4377-7da0-8e46-95ec9fdce554 · 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-2026-000079964
StatusPUBLIC

Content hashes

Canonical text2d9630656ab27081b2ad165e68cad20cad50cda8f97acce416b1abbe2e33c538
Markdown4c9f6991fc66e896a1d5e8016ddf1f6b1f71546dbdd6cb823e3edc4348304ecb
PDF
Publication page194a9393628d3c3b79e60d83a7dc594d516df79fcd20130d3a9c29814f218370
Manifest0655f5c288b3f5a0b3925de1fe707d1bee93a34bd49d55fd411eb3fd05c7c8aa

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
Signaturen6C/g1k5AOpZuYO+zO6TdKWYtbu9CsONr9NLecKhYwjJ0KYndvewwjPUXL5ef3D0VbzBMuWBvVcKyeWagMi+BQ==
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

2026-09-17T10:03:52.536363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079964
observed 194a9393628d3c3b79e60d83a7dc594d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.517829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079964/manifest.json
observed 0655f5c288b3f5a0b3925de1fe707d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.499463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079964/publication.md
observed 4c9f6991fc66e896a1d5e8016ddf1f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.479895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079964/publication.txt
observed 2d9630656ab27081b2ad165e68cad20c...
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.