OpenTechnical

OT-2026-000078753

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000078753) never changes.

Identity and time

Publication numberOT-2026-000078753 · never reused
Internal UUID01a0ae95-ccbc-7a27-b8bd-131a005da493 · 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-2026-000078753
StatusPUBLIC

Content hashes

Canonical text440e56381af0ff833cb41c36e39da1d9a30ff8b66f9b64aebd946a7800630b73
Markdown5e91bbb6549194d4cdeefc99e0895c7f03c4a7db424e671205967027ee7aac64
PDF
Publication pagef4b8ab6ee6c5a700987bd4aa7f2be659f3e29b3bbfc38b0b41f755921ac4b705
Manifestcf0fef5d100fb05298d2620f3bf82ca993bdaff27d62fb32de6a6f98f34b6376

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
SignatureWARJQ6rwg2l+NEXIGymlYjX1IHMBJcKEsvKISlgP1sZIxdnN4KFQbvuotS28g9ZuVONGCgi9uHe7XqYksgBICQ==
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

2026-09-17T10:05:32.435400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078753
observed f4b8ab6ee6c5a700987bd4aa7f2be659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.418167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078753/manifest.json
observed cf0fef5d100fb05298d2620f3bf82ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.400564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078753/publication.md
observed 5e91bbb6549194d4cdeefc99e0895c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.383450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078753/publication.txt
observed 440e56381af0ff833cb41c36e39da1d9...
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.