OpenTechnical

OT-2026-000077735

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two 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-2026-000077735) never changes.

Identity and time

Publication numberOT-2026-000077735 · never reused
Internal UUID01a0ae95-2ecf-735a-9e1a-86d4033c5c82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077735
StatusPUBLIC

Content hashes

Canonical text91eb619cb1474ffa084cdc7fdf51ad31011f8f52bafd1629b36a40c0e3d3ce2e
Markdown386189ca314dd51ae10b6074affe4931cb8f2bfd0ac981afd065f7efce93b39a
PDF
Publication page17ba4460ce8aac26bdf6a957664c7b09f6366edd49e37db847d095715803cc59
Manifest0009e55eb62a82f922976d6a2d769f54e255f51ea2c2de986b2bd11a07409a5f

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
Signature+Q0IP/mIS4aMcwVGBg60DvFeM9U86ciUo7lxI70g/woOjaWtcudptcw2HF/oriA6b3XC+jbavNLGfgUKxj07Bw==
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

2026-09-17T10:07:18.771864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077735
observed 17ba4460ce8aac26bdf6a957664c7b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.751889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077735/manifest.json
observed 0009e55eb62a82f922976d6a2d769f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.732232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077735/publication.md
observed 386189ca314dd51ae10b6074affe4931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.712517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077735/publication.txt
observed 91eb619cb1474ffa084cdc7fdf51ad31...
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.